{"id":6465,"date":"2026-02-17T14:51:50","date_gmt":"2026-02-17T13:51:50","guid":{"rendered":"https:\/\/me-aquaristic.de\/produkt\/me-co2-adapter-tr21x4-w21-8\/"},"modified":"2026-02-17T14:51:50","modified_gmt":"2026-02-17T13:51:50","slug":"me-co2-adapter-tr21x4-w21-8","status":"publish","type":"product","link":"https:\/\/me-aquaristic.de\/en\/product\/me-co2-adapter-tr21x4-w21-8\/","title":{"rendered":"Me CO2 Adapter TR21x4 \/ W21.8"},"content":{"rendered":"<h2>Product description<\/h2>\n<p>The smart solution for your CO\u2082 supply: this adapter allows standard sparkling-water CO\u2082 cylinders to be used with an aquarium pressure regulator. This is particularly practical because replacement cylinders are available almost everywhere. The precisely manufactured adapter provides a secure connection without gas loss.<\/p>\n<h3>Highlights<\/h3>\n<ul>\n<li><strong>Practical:<\/strong> CO\u2082 supplies available locally from supermarkets and chemists.<\/li>\n<li><strong>Robust:<\/strong> Durable metal construction.<\/li>\n<li><strong>Safe:<\/strong> Integrated seals for loss-free operation.<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<h3>Use CO\u2082 from sparkling-water cylinders<\/h3>\n<ul>\n<li>Adapter from TR21x4 sparkling-water cylinders to W21.8<\/li>\n<li>Ideal for using readily available CO\u2082 cylinders<\/li>\n<li>Solid construction with adjustable pin<\/li>\n<\/ul>\n","protected":false},"featured_media":0,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product_brand":[],"product_cat":[920,914],"product_tag":[1269,1268,1271,1270],"class_list":["post-6465","product","type-product","status-publish","product_cat-co-systems","product_cat-equipment","product_tag-co-sparkling-water-adapter","product_tag-me-co-accessories","product_tag-sparkling-water-cylinder-for-aquariums","product_tag-tr21x4-w21-8","first","instock","taxable","shipping-taxable","product-type-simple"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Me CO2 Adapter TR21x4 \/ W21.8 | me Aquaristic<\/title>\n<meta name=\"description\" content=\"Adapter for using sparkling-water cylinders with standard CO\u2082 pressure regulators (W21.8). 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