{"id":37639,"date":"2026-08-04T07:09:46","date_gmt":"2026-08-04T04:09:46","guid":{"rendered":"https:\/\/hho-bulgaria.com\/product\/filling-a-metal-hydride-cylinder-with-hydrogen-h2boostr\/"},"modified":"2026-08-07T21:19:50","modified_gmt":"2026-08-07T18:19:50","slug":"recharging-a-metal-hydride-cylinder-with-hydrogen-h2boostr","status":"publish","type":"product","link":"https:\/\/hho-bulgaria.com\/en\/product\/recharging-a-metal-hydride-cylinder-with-hydrogen-h2boostr\/","title":{"rendered":"Recharging a Metal Hydride Cylinder with Hydrogen \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; css=&#8221;.vc_custom_1785894898108{margin-bottom: 4rem !important;}&#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_1785895728018{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;]\n<h2 style=\"font-weight: 400; color: #008860; margin-bottom: 3rem; width: 90%;\"><strong style=\"font-size: 2rem;\">RECHARGE<\/strong><br \/>\nof the Hydrogen Cylinder (absorbed in Metal Hydride)<\/h2>\n<p><b>WARNING:<\/b> Reloading must be performed <b>only by qualified professionals using specialized equipment!!!<\/b><\/p>\n<p>The hydrogen cylinder is packed in a shock-resistant box\u2014padded with foam and protected against damage during transport, if dropped, or in the event of an impact.<\/p>\n<p><b>Don&#8217;t throw away the box!<\/b><\/p>\n<p>Always use it when transporting the cylinder or sending it in for refilling.[\/vc_column_text][\/vc_column_inner][vc_column_inner width=&#8221;1\/2&#8243;][vc_column_text css=&#8221;.vc_custom_1786045113537{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;]\n<p data-path-to-node=\"8\"><b data-path-to-node=\"8\" data-index-in-node=\"0\">When?<\/b> When, during the preparation of Hydrogen Water, the pressure gauge needle consistently reads a pressure below 1 bar (15 psi).<\/p>\n<p data-path-to-node=\"9\"><b data-path-to-node=\"9\" data-index-in-node=\"0\">How?<\/b> Unscrew the cylinder from the regulator and place it in its box. Clearly write your names, phone number, and address on the box label.<\/p>\n<p data-path-to-node=\"10\"><b data-path-to-node=\"10\" data-index-in-node=\"0\">Where?<\/b> Please send the cylinder for refilling to:<\/p>\n<p data-path-to-node=\"11\"><b data-path-to-node=\"11\" data-index-in-node=\"0\">Hydrogen Technologies Ltd.,<br \/>\n<\/b>Varna 9000,<br \/>\nTel. +359 878 21 78 10<\/p>\n<p data-path-to-node=\"13\">Addresses in Varna:<\/p>\n<p data-path-to-node=\"14\"><b data-path-to-node=\"14\" data-index-in-node=\"0\">1. Econt Office at \u201cKaysieva Garden\u201d<br \/>\n<\/b><b data-path-to-node=\"15\" data-index-in-node=\"0\">2. 253 Tsar Osvoboditel Blvd.<\/b><\/p>\n[\/vc_column_text][\/vc_column_inner][\/vc_row_inner][vc_row_inner][vc_column_inner][vc_column_text css=&#8221;&#8221;]\n<p style=\"text-align: center;\">For more information:<\/p>\n<p style=\"text-align: center;\"><a class=\"card-cta-btn mntsrt mbl-btn-cntr\" style=\"margin: 1rem auto 4rem auto;\" href=\"tel:+359878217810\"><span class=\"card-cta-txt\">Contact us<\/span> <span class=\"card-cta-tel\">+359 878 21 78 10<\/span><\/a><\/p>\n[\/vc_column_text][\/vc_column_inner][\/vc_row_inner][\/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;middle&#8221; css=&#8221;.vc_custom_1773366946878{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_1786126783947{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_1786126772093{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_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, and Consumables<\/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\/37639?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-37640 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\/hydrogen-injection-cap-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-Cap-1024x1024.jpg\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"Cap with a built-in valve for hydrogen injection\" srcset=\"https:\/\/hho-bulgaria.com\/wp-content\/uploads\/2026\/08\/HHOBG-H2Boostr-Cap-1024x1024.jpg 1024w, https:\/\/hho-bulgaria.com\/wp-content\/uploads\/2026\/08\/HHOBG-H2Boostr-Cap-420x420.jpg 420w, https:\/\/hho-bulgaria.com\/wp-content\/uploads\/2026\/08\/HHOBG-H2Boostr-Cap-768x768.jpg 768w, https:\/\/hho-bulgaria.com\/wp-content\/uploads\/2026\/08\/HHOBG-H2Boostr-Cap-100x100.jpg 100w, https:\/\/hho-bulgaria.com\/wp-content\/uploads\/2026\/08\/HHOBG-H2Boostr-Cap.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\/hydrogen-injection-cap-h2boostr\/\">Hydrogen Injection Cap \u00bb H2Boostr<\/a>\n\t\t<\/h3>\n\n\t\t\n\t<span class=\"price\"><span class=\"woocommerce-Price-amount amount\"><bdi>6.00<span class=\"woocommerce-Price-currencySymbol\" translate=\"no\">&euro;<\/span><\/bdi><\/span><\/span>\n\n    \n            <a href=\"\/en\/wp-json\/wp\/v2\/product\/37639?add-to-cart=37640\" aria-describedby=\"woocommerce_loop_add_to_cart_link_describedby_37640\" data-quantity=\"1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart\" data-product_id=\"37640\" data-product_sku=\"H2BSTR-Cap\" aria-label=\"Add to cart: &ldquo;Hydrogen Injection Cap \u00bb H2Boostr&rdquo;\" rel=\"nofollow\" data-success_message=\"&ldquo;Hydrogen Injection Cap \u00bb H2Boostr&rdquo; has been added to your cart\">Add to cart<\/a>\t<span id=\"woocommerce_loop_add_to_cart_link_describedby_37640\" 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;:37640,&quot;item_id&quot;:37640,&quot;item_name&quot;:&quot;Hydrogen Injection Cap \\u00bb H2Boostr&quot;,&quot;sku&quot;:&quot;H2BSTR-Cap&quot;,&quot;price&quot;:6,&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;:37640,&quot;productlink&quot;:&quot;https:\\\/\\\/hho-bulgaria.com\\\/en\\\/product\\\/hydrogen-injection-cap-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-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\/37639?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;: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\/37639?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][\/vc_section]\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; css=&#8221;.vc_custom_1785894898108{margin-bottom: 4rem !important;}&#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_1785895728018{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;] RECHARGE of the Hydrogen Cylinder (absorbed in Metal Hydride) WARNING: [&hellip;]<\/p>\n","protected":false},"featured_media":37529,"template":"","meta":{"_acf_changed":false},"product_brand":[],"product_cat":[1568,119],"product_tag":[],"class_list":["post-37639","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>Recharging a Metal Hydride Cylinder with Hydrogen \u00bb H2Boostr &#187; HHO Bulgaria<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, 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