{"product_id":"co-valved-cylinder-for-aquariums","title":"CO₂ Valved Cylinder for Aquariums","description":"\u003ch2\u003e\u003cspan\u003eCO₂ Valved Cylinder for Aquariums – 2kg \u0026amp; 5kg Refillable\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eBuild a reliable CO₂ system for your planted aquarium with our \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003erefillable CO₂ valved cylinders\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, available in \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e2kg and 5kg sizes\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eA quality CO₂ cylinder is the foundation of any pressurised aquarium CO₂ setup, providing a dependable and reusable source of carbon dioxide for planted tanks. Once empty, these cylinders can be \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003erefilled and reused\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, making them a practical long-term option for aquarists running pressurised CO₂ systems.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eWhen paired with a suitable regulator, diffuser and associated CO₂ equipment, a pressurised CO₂ system can help support stronger plant growth, improved colour and healthier planted aquariums.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eAvailable Sizes\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003e2kg Refillable CO₂ Cylinder\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – ideal for smaller planted aquariums or where space is limited.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003e5kg Refillable CO₂ Cylinder\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – a great option for larger planted tanks or aquarists wanting longer periods between refills.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003eRefillable \u0026amp; Reusable\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eUnlike disposable CO₂ solutions, these cylinders are designed to be \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003erefilled once empty\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, providing a more economical and convenient option for long-term planted aquarium use.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eCollection Only – Dangerous Goods\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eCO₂ cylinders are classified as dangerous goods and cannot be shipped by courier. This product is available for collection only from Simply Fish.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eNew to Aquarium CO₂?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eIf you're looking to get into \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eCO₂ injection or aquarium dosing\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, come in and speak with the Simply Fish team. We can help you understand the equipment required and build a CO₂ or planted aquarium setup suited to your tank, plants and goals.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eWhether you're setting up your first planted aquarium or upgrading an existing CO₂ system, we can help you choose the right cylinder, regulator, diffuser and accessories.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eAvailable from Simply Fish in Christchurch, New Zealand.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e","brand":"Simply Fish","offers":[{"title":"2KG","offer_id":43731734495309,"sku":null,"price":299.0,"currency_code":"NZD","in_stock":true},{"title":"5KG","offer_id":43731734528077,"sku":null,"price":349.99,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0571\/2180\/0269\/files\/Co2CylinderforAquarium.png?v=1788827921","url":"https:\/\/simplyfish.co.nz\/products\/co-valved-cylinder-for-aquariums","provider":"Simply Fish","version":"1.0","type":"link"}