{"id":37640,"date":"2026-08-04T06:31:47","date_gmt":"2026-08-04T03:31:47","guid":{"rendered":"https:\/\/hho-bulgaria.com\/product\/hydrogen-injection-cap-h2boostr\/"},"modified":"2026-08-06T23:04:29","modified_gmt":"2026-08-06T20:04:29","slug":"hydrogen-injection-cap-h2boostr","status":"publish","type":"product","link":"https:\/\/hho-bulgaria.com\/en\/product\/hydrogen-injection-cap-h2boostr\/","title":{"rendered":"Hydrogen Injection Cap \u00bb H2Boostr"},"content":{"rendered":"<div class=\"wpb-content-wrapper\">[vc_section][vc_row el_class=&#8221;hhobg-video-presentations&#8221; css=&#8221;.vc_custom_1785880643248{margin-top: 0px !important;margin-bottom: 0px !important;padding-top: 0px !important;padding-right: 5% !important;padding-bottom: 0px !important;padding-left: 5% !important;}&#8221;][vc_column][vc_row_inner equal_height=&#8221;yes&#8221; content_placement=&#8221;top&#8221; el_class=&#8221;mx-wdth&#8221;][vc_column_inner width=&#8221;1\/2&#8243; css=&#8221;.vc_custom_1785880322152{margin-bottom: 0px !important;padding-bottom: 1rem !important;}&#8221;][vc_column_text css=&#8221;.vc_custom_1785893604667{margin-top: 0px !important;margin-right: 0px !important;margin-bottom: 0px !important;margin-left: 0px !important;padding-top: 0px !important;padding-right: 0px !important;padding-bottom: 0px !important;padding-left: 0px !important;}&#8221; el_class=&#8221;mntsrt&#8221;]A special cap with a valve for saturating (injecting) any type of water with hydrogen, designed for use with the <strong>&#8220;H2BOOSTR Mini&#8221;<\/strong> Hydrogen Water System \u2014 the latest alternative product for hydrogen therapy, manufactured by <strong>HHO Bulgaria<\/strong>.<\/p>\n<p><strong>In just 30 seconds<\/strong>, the &#8220;H2BOOSTR Mini&#8221; infuses any type of drinking water with up to <strong>3.6 PPM of 100% pure molecular hydrogen<\/strong>. Thus, the finished Hydrogen Water <strong>meets and exceeds internationally accepted standards for hydrogen therapy<\/strong>.[\/vc_column_text][\/vc_column_inner][vc_column_inner width=&#8221;1\/2&#8243;][vc_column_text css=&#8221;.vc_custom_1785885652975{margin-top: 0px !important;margin-right: 0px !important;margin-bottom: 0px !important;margin-left: 0px !important;padding-top: 0px !important;padding-right: 0px !important;padding-bottom: 0px !important;padding-left: 0px !important;}&#8221; el_class=&#8221;mntsrt&#8221;]Although you can use any kind of drinking water, we recommend <strong>&#8220;H2Boostr&#8221; Special Water<\/strong>!<\/p>\n<p><strong>&#8220;H2Boostr&#8221; water<\/strong> is ultra-purified and perfectly balanced, suitable for drinking anytime, anywhere\u2014the ideal choice for the modern person who values their <strong>health<\/strong>, <strong>energy<\/strong>, and <strong>beauty<\/strong>.<\/p>\n<p>Watch the video below to see how you can make <strong>100% hydrogen-rich water in 30 seconds<\/strong>.[\/vc_column_text][\/vc_column_inner][\/vc_row_inner][vc_row_inner][vc_column_inner width=&#8221;1\/6&#8243;][\/vc_column_inner][vc_column_inner width=&#8221;2\/3&#8243;][vc_video link=&#8221;https:\/\/youtu.be\/JIOWvdC_U0M&#8221; css=&#8221;.vc_custom_1786046659288{margin-bottom: 0px !important;padding-bottom: 0px !important;}&#8221;][\/vc_column_inner][vc_column_inner width=&#8221;1\/6&#8243;][\/vc_column_inner][\/vc_row_inner][vc_column_text css=&#8221;.vc_custom_1785886326376{margin-top: 0px !important;margin-right: 0px !important;margin-bottom: 0px !important;margin-left: 0px !important;padding-top: 3rem !important;padding-bottom: 0px !important;}&#8221;]\n<h4 style=\"color: #08022e; text-align: center; font-size: 2.5rem; text-transform: uppercase; padding-bottom: 2rem; line-height: 1.15;\"><span style=\"font-weight: 400; text-transform: none; font-size: 1.25rem; display: block;\">It takes<\/span> just 30 seconds<span style=\"font-weight: 400; text-transform: none; font-size: 1.25rem; display: block;\">to prepare Hydrogen Water with 100% Molecular Hydrogen<br \/>\nin 4 simple steps<\/span><\/h4>\n[\/vc_column_text][\/vc_column][\/vc_row][vc_row content_placement=&#8221;bottom&#8221; css=&#8221;.vc_custom_1785880650223{margin-top: 0px !important;margin-right: 0px !important;margin-bottom: 0px !important;margin-left: 0px !important;padding-top: 0px !important;padding-right: 0px !important;padding-bottom: 0px !important;padding-left: 0px !important;}&#8221;][vc_column width=&#8221;1\/2&#8243; css=&#8221;.vc_custom_1771994732100{margin: 0px !important;padding: 5% !important;}&#8221;][vc_row_inner css=&#8221;.vc_custom_1771994121996{margin-top: 0px !important;margin-right: 0px !important;margin-bottom: 0px !important;margin-left: 0px !important;padding-top: 5% !important;padding-right: 5% !important;padding-bottom: 0px !important;padding-left: 5% !important;}&#8221;][vc_column_inner width=&#8221;1\/2&#8243; css=&#8221;.vc_custom_1771992753805{margin-top: 0px !important;margin-right: 0px !important;margin-bottom: 0px !important;margin-left: 0px !important;padding-top: 0px !important;padding-right: 0px !important;padding-bottom: 0px !important;padding-left: 0px !important;}&#8221;][vc_single_image image=&#8221;37037&#8243; img_size=&#8221;full&#8221; alignment=&#8221;center&#8221; css=&#8221;.vc_custom_1771993628353{margin: .5rem !important;padding: 0px !important;}&#8221;][vc_column_text css=&#8221;.vc_custom_1771997234656{margin-top: 0px !important;margin-right: 0px !important;margin-bottom: 0px !important;margin-left: 0px !important;padding-top: 0px !important;padding-right: 0px !important;padding-bottom: 1rem !important;padding-left: 0px !important;}&#8221; el_class=&#8221;mntsrt&#8221;]\n<p style=\"text-align: center; transform: translateY(-2.5rem);\"><span class=\"major-step\">1.<\/span> Screw the special white cap with a valve onto the bottle you are using<\/p>\n[\/vc_column_text][\/vc_column_inner][vc_column_inner width=&#8221;1\/2&#8243; css=&#8221;.vc_custom_1771993793729{margin: 0px !important;padding: 0px !important;}&#8221;][vc_single_image image=&#8221;37032&#8243; img_size=&#8221;full&#8221; alignment=&#8221;center&#8221; css=&#8221;.vc_custom_1771993833802{margin-top: .5rem !important;margin-right: .5rem !important;margin-bottom: .5rem !important;margin-left: .5rem !important;padding-top: 0px !important;padding-right: 0px !important;padding-bottom: 0px !important;padding-left: 0px !important;}&#8221;][vc_column_text css=&#8221;.vc_custom_1771997246297{margin-top: 0px !important;margin-right: 0px !important;margin-bottom: 0px !important;margin-left: 0px !important;padding-top: 0px !important;padding-right: 0px !important;padding-bottom: 1rem !important;padding-left: 0px !important;}&#8221; el_class=&#8221;mntsrt&#8221;]\n<p style=\"text-align: center; transform: translateY(-2.5rem);\"><span class=\"major-step\">2.<\/span> Turn on the system by turning the knob all the way in the &#8220;ON\/+&#8221; direction.<\/p>\n[\/vc_column_text][\/vc_column_inner][\/vc_row_inner][vc_row_inner css=&#8221;.vc_custom_1771994136796{margin-top: 0px !important;margin-right: 0px !important;margin-bottom: 0px !important;margin-left: 0px !important;padding-top: 0px !important;padding-right: 5% !important;padding-bottom: 5% !important;padding-left: 5% !important;}&#8221;][vc_column_inner width=&#8221;1\/2&#8243; css=&#8221;.vc_custom_1771992753805{margin-top: 0px !important;margin-right: 0px !important;margin-bottom: 0px !important;margin-left: 0px !important;padding-top: 0px !important;padding-right: 0px !important;padding-bottom: 0px !important;padding-left: 0px !important;}&#8221;][vc_single_image image=&#8221;37027&#8243; img_size=&#8221;full&#8221; alignment=&#8221;center&#8221; css=&#8221;.vc_custom_1771994276695{margin-top: .5rem !important;margin-right: .5rem !important;margin-bottom: .5rem !important;margin-left: .5rem !important;padding-top: 0px !important;padding-right: 0px !important;padding-bottom: 0px !important;padding-left: 0px !important;}&#8221;][vc_column_text css=&#8221;.vc_custom_1771997257761{margin-top: 0px !important;margin-right: 0px !important;margin-bottom: 0px !important;margin-left: 0px !important;padding-top: 0px !important;padding-right: 0px !important;padding-bottom: 1rem !important;padding-left: 0px !important;}&#8221; el_class=&#8221;mntsrt&#8221;]\n<p style=\"text-align: center; transform: translateY(-2.5rem);\"><span class=\"major-step\">3.<\/span> Using the injector, saturate the water with 100% molecular hydrogen<\/p>\n[\/vc_column_text][\/vc_column_inner][vc_column_inner width=&#8221;1\/2&#8243; css=&#8221;.vc_custom_1771993793729{margin: 0px !important;padding: 0px !important;}&#8221;][vc_single_image image=&#8221;37022&#8243; img_size=&#8221;full&#8221; alignment=&#8221;center&#8221; css=&#8221;.vc_custom_1771994267932{margin-top: .5rem !important;margin-right: .5rem !important;margin-bottom: .5rem !important;margin-left: .5rem !important;padding-top: 0px !important;padding-right: 0px !important;padding-bottom: 0px !important;padding-left: 0px !important;}&#8221;][vc_column_text css=&#8221;.vc_custom_1771997268737{margin-top: 0px !important;margin-right: 0px !important;margin-bottom: 0px !important;margin-left: 0px !important;padding-top: 0px !important;padding-right: 0px !important;padding-bottom: 1rem !important;padding-left: 0px !important;}&#8221; el_class=&#8221;mntsrt&#8221;]\n<p style=\"text-align: center; transform: translateY(-2.5rem);\"><span class=\"major-step\">4.<\/span> Shake the bottle well to mix the hydrogen with the water, and drink the ready-to-drink 100% Hydrogen Water<\/p>\n[\/vc_column_text][\/vc_column_inner][\/vc_row_inner][\/vc_column][vc_column width=&#8221;1\/2&#8243; css=&#8221;.vc_custom_1771994008706{margin-top: 0px !important;margin-right: 0px !important;margin-bottom: 0px !important;margin-left: 0px !important;padding-top: 0px !important;padding-right: 0px !important;padding-bottom: 0px !important;padding-left: 0px !important;}&#8221;][vc_single_image image=&#8221;37042&#8243; img_size=&#8221;full&#8221; alignment=&#8221;center&#8221; css=&#8221;.vc_custom_1771997555286{margin-top: -2.5rem !important;margin-right: 0px !important;margin-bottom: 0px !important;margin-left: 0px !important;padding-top: 0px !important;padding-right: 0px !important;padding-bottom: 0px !important;padding-left: 0px !important;}&#8221;][\/vc_column][\/vc_row][\/vc_section][vc_section css=&#8221;.vc_custom_1773369807137{margin-top: 0px !important;margin-right: 0px !important;margin-bottom: 0px !important;margin-left: 0px !important;padding-top: 0px !important;padding-right: 0px !important;padding-bottom: 0px !important;padding-left: 0px !important;}&#8221;][vc_row full_width=&#8221;stretch_row_content_no_spaces&#8221; content_placement=&#8221;bottom&#8221; css=&#8221;.vc_custom_1785886130191{margin-top: 0px !important;margin-right: 0px !important;margin-left: 0px !important;padding-top: 0px !important;padding-right: 0px !important;padding-bottom: 0px !important;padding-left: 0px !important;background-color: #080232 !important;}&#8221; el_id=&#8221;h2boostr-mini-info-1&#8243; el_class=&#8221;flx-col-rvrs&#8221;][vc_column width=&#8221;1\/2&#8243; css=&#8221;.vc_custom_1771016487507{margin-top: 0px !important;margin-right: 0px !important;margin-bottom: 0px !important;margin-left: 0px !important;padding-top: 0px !important;padding-right: 0px !important;padding-bottom: 0px !important;padding-left: 0px !important;}&#8221;][vc_single_image image=&#8221;37400&#8243; img_size=&#8221;full&#8221; alignment=&#8221;center&#8221; css=&#8221;.vc_custom_1786046006969{margin-top: 0px !important;margin-right: 0px !important;margin-bottom: 0px !important;margin-left: 0px !important;padding-top: 0px !important;padding-right: 0px !important;padding-bottom: 0px !important;padding-left: 0px !important;}&#8221;][\/vc_column][vc_column width=&#8221;1\/2&#8243; css=&#8221;.vc_custom_1771016493770{margin-top: 0px !important;margin-right: 0px !important;margin-bottom: 0px !important;margin-left: 0px !important;padding-top: 0px !important;padding-right: 5% !important;padding-bottom: 5% !important;padding-left: 5% !important;}&#8221;][vc_single_image image=&#8221;37360&#8243; img_size=&#8221;full&#8221; css=&#8221;.vc_custom_1786045997065{margin-top: 0px !important;margin-right: 0px !important;margin-bottom: 0px !important;margin-left: 0px !important;padding-top: 0px !important;padding-right: 0px !important;padding-bottom: 0px !important;padding-left: 0px !important;}&#8221;][vc_column_text css=&#8221;.vc_custom_1785867515025{margin-top: 0px !important;margin-right: 0px !important;margin-bottom: 0px !important;margin-left: 0px !important;padding-top: 0px !important;padding-right: 0px !important;padding-bottom: 0px !important;padding-left: 0px !important;}&#8221;]\n<div class=\"hho-txt-wht mntsrt\" style=\"max-width: 35rem; margin: 2rem auto;\">\n<h2 class=\"hho-txt-wht\">Technology backed by science\u2014now in a compact and easily portable format.<\/h2>\n<p>Key Benefits:<\/p>\n<ul style=\"list-style-type: none;\">\n<li>\u2611 The most innovative technology for quickly producing hydrogen-rich water\u2014 <strong>in just 30 seconds<\/strong>;<\/li>\n<li>\u2611 The perfect choice for hydrogen therapy;<\/li>\n<li>\u2611 Designed and manufactured in Bulgaria, EU;<\/li>\n<li>\u2611 The system runs on <strong>the purest &#8220;green hydrogen&#8221;<\/strong> on Earth;<\/li>\n<li>\u2611 High concentrations of <strong>100% pure molecular hydrogen<\/strong> dissolved in water;<\/li>\n<li>\u2611 <strong>Long-lasting<\/strong> \u2014 thanks to the special cap, the hydrogen in the bottle can be preserved for weeks;<\/li>\n<li>\u2611 <strong>No side effects<\/strong>;<\/li>\n<li>\u2611 Improves metabolism and energy balance;<\/li>\n<li>\u2611 Supports recovery and cellular protection;<\/li>\n<li>\u2611 The perfect choice for everyday use at <strong>home<\/strong>, in <strong>the office<\/strong>, or <strong>while traveling<\/strong>.<\/li>\n<\/ul>\n<\/div>\n[\/vc_column_text][\/vc_column][\/vc_row][\/vc_section][vc_row css=&#8221;.vc_custom_1661460885225{padding-right: 5% !important;padding-left: 5% !important;}&#8221;][vc_column][vc_column_text css=&#8221;&#8221;]\n<h3 style=\"text-align: center; font-size: 3rem; color: #008860; padding: 3rem 0 0 0; line-height: 1.15;\">H2Boostr Mini<span style=\"font-weight: 400; font-size: 1.5rem; display: block;\">System, Components, Consumables, and Refills<\/span><\/h3>\n[\/vc_column_text]<div class=\"woocommerce columns-4 \"><ul class=\"products columns-4\">\n<li class=\"display_buttons product type-product post-37249 status-publish first instock product_cat-h2boostr product_cat-health has-post-thumbnail sale shipping-taxable purchasable product-type-simple\">\n\n\t\n    <div class=\"product_thumbnail_wrapper \">\n\n\t\t<a href=\"https:\/\/hho-bulgaria.com\/en\/product\/h2boostr-mini-hydrogen-water-system\/\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\">\n\n\t        <div class=\"product_thumbnail \">\n\t            <span class=\"product_thumbnail_background\" style=\"\"><\/span>\n\t            <img decoding=\"async\" width=\"1024\" height=\"1024\" src=\"https:\/\/hho-bulgaria.com\/wp-content\/uploads\/2026\/02\/HHO-Bulgaria-H2BOOSTR-Mini_1-1024x1024.jpg\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"&quot;H2BOOSTR Mini&quot; Hydrogen Water System\" srcset=\"https:\/\/hho-bulgaria.com\/wp-content\/uploads\/2026\/02\/HHO-Bulgaria-H2BOOSTR-Mini_1-1024x1024.jpg 1024w, https:\/\/hho-bulgaria.com\/wp-content\/uploads\/2026\/02\/HHO-Bulgaria-H2BOOSTR-Mini_1-420x420.jpg 420w, https:\/\/hho-bulgaria.com\/wp-content\/uploads\/2026\/02\/HHO-Bulgaria-H2BOOSTR-Mini_1-768x768.jpg 768w, https:\/\/hho-bulgaria.com\/wp-content\/uploads\/2026\/02\/HHO-Bulgaria-H2BOOSTR-Mini_1-100x100.jpg 100w, https:\/\/hho-bulgaria.com\/wp-content\/uploads\/2026\/02\/HHO-Bulgaria-H2BOOSTR-Mini_1.jpg 1080w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/>\t        <\/div><!--.product_thumbnail-->\n\t\t<\/a>\n\n\t\t\t\t\t\t\t\n\t\t<div class=\"new-badge mntsrt\" style=\"display: inline-flex;\n\t\t\t\talign-items: center;\n\t\t\t\tjustify-content: center;\n\t\t\t\tbackground: red;\n\t\t\t\tcolor: #fff;\n\t\t\t\tfont-size: 1.25rem;\n\t\t\t\tfont-weight: 700;\n\t\t\t\ttext-transform: uppercase;\n\t\t\t\ttext-align: center;\n\t\t\t\tline-height: 1;\n\t\t\t\tmargin: 1rem 0;\n\t\t\t\tborder-radius: 100%;\n\t\t\t\tborder: 0.1rem solid #fff;\n\t\t\t\twidth: 5rem;\n\t\t\t\theight: 5rem;\n\t\t\t\tvertical-align: middle;\n\t\t\t\tposition: absolute;\n\t\t\t\tbottom: 0;\n\t\t\t\tright: 5%;\">NEW<\/div>\n\t\n\t\n\t\t\n\t\t\n    <\/div><!--.product_thumbnail_wrapper-->\n\n    <p class=\"hhobg-prod-cat\"><a href=\"https:\/\/hho-bulgaria.com\/en\/catalog\/health\/h2boostr\/\" rel=\"tag\">H2Boostr<\/a>, <a href=\"https:\/\/hho-bulgaria.com\/en\/catalog\/health\/\" rel=\"tag\">Health<\/a><\/p>\n\n\t\t<h3 class=\"woocommerce-loop-product__title\">\n\t\t\t<a href=\"https:\/\/hho-bulgaria.com\/en\/product\/h2boostr-mini-hydrogen-water-system\/\">&#8220;H2BOOSTR Mini&#8221; Hydrogen Water System<\/a>\n\t\t<\/h3>\n\n\t\t\n\t<span class=\"price\"><span class=\"woocommerce-Price-amount amount\"><bdi>900.00<span class=\"woocommerce-Price-currencySymbol\" translate=\"no\">&euro;<\/span><\/bdi><\/span><\/span>\n\n    \n            <a href=\"\/en\/wp-json\/wp\/v2\/product\/37640?add-to-cart=37249\" aria-describedby=\"woocommerce_loop_add_to_cart_link_describedby_37249\" data-quantity=\"1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart\" data-product_id=\"37249\" data-product_sku=\"H2BSTR-MN\" aria-label=\"Add to cart: &ldquo;&quot;H2BOOSTR Mini&quot; Hydrogen Water System&rdquo;\" rel=\"nofollow\" data-success_message=\"&ldquo;&quot;H2BOOSTR Mini&quot; Hydrogen Water System&rdquo; has been added to your cart\">Add to cart<\/a>\t<span id=\"woocommerce_loop_add_to_cart_link_describedby_37249\" class=\"screen-reader-text\">\n\t\t\t<\/span>\n\n    \n\t<span class=\"gtm4wp_productdata\" style=\"display:none; visibility:hidden;\" data-gtm4wp_product_data=\"{&quot;internal_id&quot;:37249,&quot;item_id&quot;:37249,&quot;item_name&quot;:&quot;\\&quot;H2BOOSTR Mini\\&quot; Hydrogen Water System&quot;,&quot;sku&quot;:&quot;H2BSTR-MN&quot;,&quot;price&quot;:750,&quot;stocklevel&quot;:null,&quot;stockstatus&quot;:&quot;instock&quot;,&quot;google_business_vertical&quot;:&quot;retail&quot;,&quot;item_category&quot;:&quot;Health&quot;,&quot;id&quot;:37249,&quot;productlink&quot;:&quot;https:\\\/\\\/hho-bulgaria.com\\\/en\\\/product\\\/h2boostr-mini-hydrogen-water-system\\\/&quot;,&quot;item_list_name&quot;:&quot;General Product List&quot;,&quot;index&quot;:1,&quot;product_type&quot;:&quot;simple&quot;,&quot;item_brand&quot;:&quot;&quot;}\"><\/span>\n<\/li>\n<li class=\"display_buttons product type-product post-37641 status-publish instock product_cat-h2boostr product_cat-health has-post-thumbnail shipping-taxable purchasable product-type-simple\">\n\n\t\n    <div class=\"product_thumbnail_wrapper \">\n\n\t\t<a href=\"https:\/\/hho-bulgaria.com\/en\/product\/metal-hydride-hydrogen-storage-cylinder-h2boostr\/\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\">\n\n\t        <div class=\"product_thumbnail \">\n\t            <span class=\"product_thumbnail_background\" style=\"\"><\/span>\n\t            <img decoding=\"async\" width=\"1024\" height=\"1024\" src=\"https:\/\/hho-bulgaria.com\/wp-content\/uploads\/2026\/08\/HHOBG-H2Boostr-Cilinder_2-1024x1024.jpg\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"Metal hydride hydrogen storage cylinder\" srcset=\"https:\/\/hho-bulgaria.com\/wp-content\/uploads\/2026\/08\/HHOBG-H2Boostr-Cilinder_2-1024x1024.jpg 1024w, https:\/\/hho-bulgaria.com\/wp-content\/uploads\/2026\/08\/HHOBG-H2Boostr-Cilinder_2-420x420.jpg 420w, https:\/\/hho-bulgaria.com\/wp-content\/uploads\/2026\/08\/HHOBG-H2Boostr-Cilinder_2-768x768.jpg 768w, https:\/\/hho-bulgaria.com\/wp-content\/uploads\/2026\/08\/HHOBG-H2Boostr-Cilinder_2-100x100.jpg 100w, https:\/\/hho-bulgaria.com\/wp-content\/uploads\/2026\/08\/HHOBG-H2Boostr-Cilinder_2.jpg 1080w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/>\t        <\/div><!--.product_thumbnail-->\n\t\t<\/a>\n\n\t\t\t\t\t\t\t\n\t\t<div class=\"new-badge mntsrt\" style=\"display: inline-flex;\n\t\t\t\talign-items: center;\n\t\t\t\tjustify-content: center;\n\t\t\t\tbackground: red;\n\t\t\t\tcolor: #fff;\n\t\t\t\tfont-size: 1.25rem;\n\t\t\t\tfont-weight: 700;\n\t\t\t\ttext-transform: uppercase;\n\t\t\t\ttext-align: center;\n\t\t\t\tline-height: 1;\n\t\t\t\tmargin: 1rem 0;\n\t\t\t\tborder-radius: 100%;\n\t\t\t\tborder: 0.1rem solid #fff;\n\t\t\t\twidth: 5rem;\n\t\t\t\theight: 5rem;\n\t\t\t\tvertical-align: middle;\n\t\t\t\tposition: absolute;\n\t\t\t\tbottom: 0;\n\t\t\t\tright: 5%;\">NEW<\/div>\n\t\t\n\t\t\n    <\/div><!--.product_thumbnail_wrapper-->\n\n    <p class=\"hhobg-prod-cat\"><a href=\"https:\/\/hho-bulgaria.com\/en\/catalog\/health\/h2boostr\/\" rel=\"tag\">H2Boostr<\/a>, <a href=\"https:\/\/hho-bulgaria.com\/en\/catalog\/health\/\" rel=\"tag\">Health<\/a><\/p>\n\n\t\t<h3 class=\"woocommerce-loop-product__title\">\n\t\t\t<a href=\"https:\/\/hho-bulgaria.com\/en\/product\/metal-hydride-hydrogen-storage-cylinder-h2boostr\/\">Metal Hydride Hydrogen Storage Cylinder \u00bb H2Boostr<\/a>\n\t\t<\/h3>\n\n\t\t\n\t<span class=\"price\"><span class=\"woocommerce-Price-amount amount\"><bdi>350.00<span class=\"woocommerce-Price-currencySymbol\" translate=\"no\">&euro;<\/span><\/bdi><\/span><\/span>\n\n    \n            <a href=\"\/en\/wp-json\/wp\/v2\/product\/37640?add-to-cart=37641\" aria-describedby=\"woocommerce_loop_add_to_cart_link_describedby_37641\" data-quantity=\"1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart\" data-product_id=\"37641\" data-product_sku=\"H2BSTR-MN-CLNDR\" aria-label=\"Add to cart: &ldquo;Metal Hydride Hydrogen Storage Cylinder \u00bb H2Boostr&rdquo;\" rel=\"nofollow\" data-success_message=\"&ldquo;Metal Hydride Hydrogen Storage Cylinder \u00bb H2Boostr&rdquo; has been added to your cart\">Add to cart<\/a>\t<span id=\"woocommerce_loop_add_to_cart_link_describedby_37641\" class=\"screen-reader-text\">\n\t\t\t<\/span>\n\n    \n\t<span class=\"gtm4wp_productdata\" style=\"display:none; visibility:hidden;\" data-gtm4wp_product_data=\"{&quot;internal_id&quot;:37641,&quot;item_id&quot;:37641,&quot;item_name&quot;:&quot;Metal Hydride Hydrogen Storage Cylinder \\u00bb H2Boostr&quot;,&quot;sku&quot;:&quot;H2BSTR-MN-CLNDR&quot;,&quot;price&quot;:350,&quot;stocklevel&quot;:null,&quot;stockstatus&quot;:&quot;instock&quot;,&quot;google_business_vertical&quot;:&quot;retail&quot;,&quot;item_category&quot;:&quot;Health&quot;,&quot;id&quot;:37641,&quot;productlink&quot;:&quot;https:\\\/\\\/hho-bulgaria.com\\\/en\\\/product\\\/metal-hydride-hydrogen-storage-cylinder-h2boostr\\\/&quot;,&quot;item_list_name&quot;:&quot;General Product List&quot;,&quot;index&quot;:2,&quot;product_type&quot;:&quot;simple&quot;,&quot;item_brand&quot;:&quot;&quot;}\"><\/span>\n<\/li>\n<li class=\"display_buttons product type-product post-37639 status-publish instock product_cat-h2boostr product_cat-health has-post-thumbnail shipping-taxable purchasable product-type-simple\">\n\n\t\n    <div class=\"product_thumbnail_wrapper \">\n\n\t\t<a href=\"https:\/\/hho-bulgaria.com\/en\/product\/recharging-a-metal-hydride-cylinder-with-hydrogen-h2boostr\/\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\">\n\n\t        <div class=\"product_thumbnail \">\n\t            <span class=\"product_thumbnail_background\" style=\"\"><\/span>\n\t            <img decoding=\"async\" width=\"1024\" height=\"1024\" src=\"https:\/\/hho-bulgaria.com\/wp-content\/uploads\/2026\/08\/HHOBG-H2Boostr-Cilinder_REFILL-1024x1024.jpg\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"Hydrogen Refueling with H2Boostr\" srcset=\"https:\/\/hho-bulgaria.com\/wp-content\/uploads\/2026\/08\/HHOBG-H2Boostr-Cilinder_REFILL-1024x1024.jpg 1024w, https:\/\/hho-bulgaria.com\/wp-content\/uploads\/2026\/08\/HHOBG-H2Boostr-Cilinder_REFILL-420x420.jpg 420w, https:\/\/hho-bulgaria.com\/wp-content\/uploads\/2026\/08\/HHOBG-H2Boostr-Cilinder_REFILL-768x768.jpg 768w, https:\/\/hho-bulgaria.com\/wp-content\/uploads\/2026\/08\/HHOBG-H2Boostr-Cilinder_REFILL-100x100.jpg 100w, https:\/\/hho-bulgaria.com\/wp-content\/uploads\/2026\/08\/HHOBG-H2Boostr-Cilinder_REFILL.jpg 1080w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/>\t        <\/div><!--.product_thumbnail-->\n\t\t<\/a>\n\n\t\t\t\t\t\t\t\n\t\t<div class=\"new-badge mntsrt\" style=\"display: inline-flex;\n\t\t\t\talign-items: center;\n\t\t\t\tjustify-content: center;\n\t\t\t\tbackground: red;\n\t\t\t\tcolor: #fff;\n\t\t\t\tfont-size: 1.25rem;\n\t\t\t\tfont-weight: 700;\n\t\t\t\ttext-transform: uppercase;\n\t\t\t\ttext-align: center;\n\t\t\t\tline-height: 1;\n\t\t\t\tmargin: 1rem 0;\n\t\t\t\tborder-radius: 100%;\n\t\t\t\tborder: 0.1rem solid #fff;\n\t\t\t\twidth: 5rem;\n\t\t\t\theight: 5rem;\n\t\t\t\tvertical-align: middle;\n\t\t\t\tposition: absolute;\n\t\t\t\tbottom: 0;\n\t\t\t\tright: 5%;\">NEW<\/div>\n\t\t\n\t\t\n    <\/div><!--.product_thumbnail_wrapper-->\n\n    <p class=\"hhobg-prod-cat\"><a href=\"https:\/\/hho-bulgaria.com\/en\/catalog\/health\/h2boostr\/\" rel=\"tag\">H2Boostr<\/a>, <a href=\"https:\/\/hho-bulgaria.com\/en\/catalog\/health\/\" rel=\"tag\">Health<\/a><\/p>\n\n\t\t<h3 class=\"woocommerce-loop-product__title\">\n\t\t\t<a href=\"https:\/\/hho-bulgaria.com\/en\/product\/recharging-a-metal-hydride-cylinder-with-hydrogen-h2boostr\/\">Recharging a Metal Hydride Cylinder with Hydrogen \u00bb H2Boostr<\/a>\n\t\t<\/h3>\n\n\t\t\n\t<span class=\"price\"><span class=\"woocommerce-Price-amount amount\"><bdi>30.00<span class=\"woocommerce-Price-currencySymbol\" translate=\"no\">&euro;<\/span><\/bdi><\/span><\/span>\n\n    \n            <a href=\"\/en\/wp-json\/wp\/v2\/product\/37640?add-to-cart=37639\" aria-describedby=\"woocommerce_loop_add_to_cart_link_describedby_37639\" data-quantity=\"1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart\" data-product_id=\"37639\" data-product_sku=\"H2BSTR-MN-RFL\" aria-label=\"Add to cart: &ldquo;Recharging a Metal Hydride Cylinder with Hydrogen \u00bb H2Boostr&rdquo;\" rel=\"nofollow\" data-success_message=\"&ldquo;Recharging a Metal Hydride Cylinder with Hydrogen \u00bb H2Boostr&rdquo; has been added to your cart\">Add to cart<\/a>\t<span id=\"woocommerce_loop_add_to_cart_link_describedby_37639\" class=\"screen-reader-text\">\n\t\t\t<\/span>\n\n    \n\t<span class=\"gtm4wp_productdata\" style=\"display:none; visibility:hidden;\" data-gtm4wp_product_data=\"{&quot;internal_id&quot;:37639,&quot;item_id&quot;:37639,&quot;item_name&quot;:&quot;Recharging a Metal Hydride Cylinder with Hydrogen \\u00bb H2Boostr&quot;,&quot;sku&quot;:&quot;H2BSTR-MN-RFL&quot;,&quot;price&quot;:30,&quot;stocklevel&quot;:null,&quot;stockstatus&quot;:&quot;instock&quot;,&quot;google_business_vertical&quot;:&quot;retail&quot;,&quot;item_category&quot;:&quot;H2Boostr&quot;,&quot;id&quot;:37639,&quot;productlink&quot;:&quot;https:\\\/\\\/hho-bulgaria.com\\\/en\\\/product\\\/recharging-a-metal-hydride-cylinder-with-hydrogen-h2boostr\\\/&quot;,&quot;item_list_name&quot;:&quot;General Product List&quot;,&quot;index&quot;:3,&quot;product_type&quot;:&quot;simple&quot;,&quot;item_brand&quot;:&quot;&quot;}\"><\/span>\n<\/li>\n<li class=\"display_buttons product type-product post-37638 status-publish last instock product_cat-h2boostr product_cat-health has-post-thumbnail shipping-taxable purchasable product-type-simple\">\n\n\t\n    <div class=\"product_thumbnail_wrapper \">\n\n\t\t<a href=\"https:\/\/hho-bulgaria.com\/en\/product\/water-for-hydrogen-infusion-h2boostr\/\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\">\n\n\t        <div class=\"product_thumbnail \">\n\t            <span class=\"product_thumbnail_background\" style=\"\"><\/span>\n\t            <img decoding=\"async\" width=\"1024\" height=\"1024\" src=\"https:\/\/hho-bulgaria.com\/wp-content\/uploads\/2026\/08\/HHOBG-H2Boostr-Bottles-12Pack-1024x1024.jpg\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"H2Boostr \u00bb Hydrogen Water\" srcset=\"https:\/\/hho-bulgaria.com\/wp-content\/uploads\/2026\/08\/HHOBG-H2Boostr-Bottles-12Pack-1024x1024.jpg 1024w, https:\/\/hho-bulgaria.com\/wp-content\/uploads\/2026\/08\/HHOBG-H2Boostr-Bottles-12Pack-420x420.jpg 420w, https:\/\/hho-bulgaria.com\/wp-content\/uploads\/2026\/08\/HHOBG-H2Boostr-Bottles-12Pack-768x768.jpg 768w, https:\/\/hho-bulgaria.com\/wp-content\/uploads\/2026\/08\/HHOBG-H2Boostr-Bottles-12Pack-100x100.jpg 100w, https:\/\/hho-bulgaria.com\/wp-content\/uploads\/2026\/08\/HHOBG-H2Boostr-Bottles-12Pack.jpg 1080w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/>\t        <\/div><!--.product_thumbnail-->\n\t\t<\/a>\n\n\t\t\t\t\t\t\t\n\t\t<div class=\"new-badge mntsrt\" style=\"display: inline-flex;\n\t\t\t\talign-items: center;\n\t\t\t\tjustify-content: center;\n\t\t\t\tbackground: red;\n\t\t\t\tcolor: #fff;\n\t\t\t\tfont-size: 1.25rem;\n\t\t\t\tfont-weight: 700;\n\t\t\t\ttext-transform: uppercase;\n\t\t\t\ttext-align: center;\n\t\t\t\tline-height: 1;\n\t\t\t\tmargin: 1rem 0;\n\t\t\t\tborder-radius: 100%;\n\t\t\t\tborder: 0.1rem solid #fff;\n\t\t\t\twidth: 5rem;\n\t\t\t\theight: 5rem;\n\t\t\t\tvertical-align: middle;\n\t\t\t\tposition: absolute;\n\t\t\t\tbottom: 0;\n\t\t\t\tright: 5%;\">NEW<\/div>\n\t\t\n\t\t\n    <\/div><!--.product_thumbnail_wrapper-->\n\n    <p class=\"hhobg-prod-cat\"><a href=\"https:\/\/hho-bulgaria.com\/en\/catalog\/health\/h2boostr\/\" rel=\"tag\">H2Boostr<\/a>, <a href=\"https:\/\/hho-bulgaria.com\/en\/catalog\/health\/\" rel=\"tag\">Health<\/a><\/p>\n\n\t\t<h3 class=\"woocommerce-loop-product__title\">\n\t\t\t<a href=\"https:\/\/hho-bulgaria.com\/en\/product\/water-for-hydrogen-infusion-h2boostr\/\">Water for Hydrogen Infusion \u00bb H2Boostr<\/a>\n\t\t<\/h3>\n\n\t\t\n\t<span class=\"price\"><span class=\"woocommerce-Price-amount amount\"><bdi>16.00<span class=\"woocommerce-Price-currencySymbol\" translate=\"no\">&euro;<\/span><\/bdi><\/span><\/span>\n\n    \n            <a href=\"\/en\/wp-json\/wp\/v2\/product\/37640?add-to-cart=37638\" aria-describedby=\"woocommerce_loop_add_to_cart_link_describedby_37638\" data-quantity=\"1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart\" data-product_id=\"37638\" data-product_sku=\"H2BSTR-Water-12Pack\" aria-label=\"Add to cart: &ldquo;Water for Hydrogen Infusion \u00bb H2Boostr&rdquo;\" rel=\"nofollow\" data-success_message=\"&ldquo;Water for Hydrogen Infusion \u00bb H2Boostr&rdquo; has been added to your cart\">Add to cart<\/a>\t<span id=\"woocommerce_loop_add_to_cart_link_describedby_37638\" class=\"screen-reader-text\">\n\t\t\t<\/span>\n\n    \n\t<span class=\"gtm4wp_productdata\" style=\"display:none; visibility:hidden;\" data-gtm4wp_product_data=\"{&quot;internal_id&quot;:37638,&quot;item_id&quot;:37638,&quot;item_name&quot;:&quot;Water for Hydrogen Infusion \\u00bb H2Boostr&quot;,&quot;sku&quot;:&quot;H2BSTR-Water-12Pack&quot;,&quot;price&quot;:16,&quot;stocklevel&quot;:null,&quot;stockstatus&quot;:&quot;instock&quot;,&quot;google_business_vertical&quot;:&quot;retail&quot;,&quot;item_category&quot;:&quot;Health&quot;,&quot;id&quot;:37638,&quot;productlink&quot;:&quot;https:\\\/\\\/hho-bulgaria.com\\\/en\\\/product\\\/water-for-hydrogen-infusion-h2boostr\\\/&quot;,&quot;item_list_name&quot;:&quot;General Product List&quot;,&quot;index&quot;:4,&quot;product_type&quot;:&quot;simple&quot;,&quot;item_brand&quot;:&quot;&quot;}\"><\/span>\n<\/li>\n<\/ul>\n<\/div>[\/vc_column][\/vc_row]\n<\/div>","protected":false},"excerpt":{"rendered":"<p>[vc_section][vc_row el_class=&#8221;hhobg-video-presentations&#8221; css=&#8221;.vc_custom_1785880643248{margin-top: 0px !important;margin-bottom: 0px !important;padding-top: 0px !important;padding-right: 5% !important;padding-bottom: 0px !important;padding-left: 5% !important;}&#8221;][vc_column][vc_row_inner equal_height=&#8221;yes&#8221; content_placement=&#8221;top&#8221; el_class=&#8221;mx-wdth&#8221;][vc_column_inner width=&#8221;1\/2&#8243; css=&#8221;.vc_custom_1785880322152{margin-bottom: 0px !important;padding-bottom: 1rem !important;}&#8221;][vc_column_text css=&#8221;.vc_custom_1785893604667{margin-top: 0px !important;margin-right: 0px !important;margin-bottom: 0px !important;margin-left: 0px !important;padding-top: 0px !important;padding-right: 0px !important;padding-bottom: 0px !important;padding-left: 0px !important;}&#8221; el_class=&#8221;mntsrt&#8221;]A special cap with a valve for saturating (injecting) any type of water with [&hellip;]<\/p>\n","protected":false},"featured_media":37516,"template":"","meta":{"_acf_changed":false},"product_brand":[],"product_cat":[1568,119],"product_tag":[],"class_list":["post-37640","product","type-product","status-publish","has-post-thumbnail","product_cat-h2boostr","product_cat-health","first","instock","shipping-taxable","purchasable","product-type-simple"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.1 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Hydrogen Injection Cap \u00bb H2Boostr &#187; HHO Bulgaria<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/hho-bulgaria.com\/en\/product\/hydrogen-injection-cap-h2boostr\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Hydrogen Injection Cap \u00bb H2Boostr &#187; HHO Bulgaria\" \/>\n<meta property=\"og:description\" content=\"[vc_section][vc_row el_class=&#8221;hhobg-video-presentations&#8221; css=&#8221;.vc_custom_1785880643248{margin-top: 0px !important;margin-bottom: 0px !important;padding-top: 0px !important;padding-right: 5% !important;padding-bottom: 0px !important;padding-left: 5% !important;}&#8221;][vc_column][vc_row_inner equal_height=&#8221;yes&#8221; content_placement=&#8221;top&#8221; el_class=&#8221;mx-wdth&#8221;][vc_column_inner width=&#8221;1\/2&#8243; css=&#8221;.vc_custom_1785880322152{margin-bottom: 0px !important;padding-bottom: 1rem !important;}&#8221;][vc_column_text css=&#8221;.vc_custom_1785893604667{margin-top: 0px !important;margin-right: 0px !important;margin-bottom: 0px !important;margin-left: 0px !important;padding-top: 0px !important;padding-right: 0px !important;padding-bottom: 0px !important;padding-left: 0px !important;}&#8221; el_class=&#8221;mntsrt&#8221;]A special cap with a valve for saturating (injecting) any type of water with [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/hho-bulgaria.com\/en\/product\/hydrogen-injection-cap-h2boostr\/\" \/>\n<meta property=\"og:site_name\" content=\"HHO Bulgaria\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/HHOBulgaria\/\" \/>\n<meta property=\"article:modified_time\" content=\"2026-08-06T20:04:29+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/hho-bulgaria.com\/wp-content\/uploads\/2026\/08\/HHOBG-H2Boostr-Cap.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1080\" \/>\n\t<meta property=\"og:image:height\" content=\"1080\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"7 minutes\" \/>\n<script type=\"application\/ld+json\" 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