CO₂ Valved Cylinder for Aquariums - 3.5kg
CO₂ Valved Cylinder for Aquariums - 3.5kg - 3.5kg is backordered and will ship as soon as it is back in stock.
Pickup available at Aquascape Shop
Usually ready in 24 hours
Delivery and Shipping
Delivery and Shipping
Standard Shipping: Orders are typically dispatched within 1 business day. Delivery times vary based on the destination.
- Urban Areas: 1-3 business days
- Rural Areas: 2-5 business days
- Courier Services Used: NZ Post and Aramex.
Free shipping is available for New Zealand customers with a minimum purchase of $150.00.
- Non-Rural Addresses Only: This offer applies only to non-rural addresses.
- Exclusions: Bulky items such as aquariums are excluded from the free shipping offer.
CO₂ Valved Cylinder for Aquariums - 3.5kg
CO₂ Valved Cylinder for Aquariums - 3.5kg - 3.5kg is backordered and will ship as soon as it is back in stock.
If you’re running a planted aquarium, a steady and reliable supply of CO₂ makes all the difference. This 3.5kg CO₂ cylinder is a great option for hobbyists who want longer runtimes between refills and a clean, professional setup.
Built to AS/NZS 1841.6 standards, this cylinder is safe, durable, and refillable at most gas suppliers across NZ and Australia. It comes fitted with a W21.8 valve, which is the standard fitting used here — so it works with all compatible regulators on the market.
Why this cylinder?
- Perfect size – 3.5kg gives you months of CO₂ for medium to large tanks.
- Certified safe – Meets NZ & AU requirements for refillable cylinders.
- Standard fitting – W21.8 valve works with all local regulators.
- Built to last – Powder-coated steel body with a solid brass valve.
- Refillable – No waste, just take it in for a refill when empty.
Specifications
- Capacity: 3.5kg CO₂
- Height: 57cm (with valve)
- Diameter: 15cm
- Valve: W21.8 (NZ/AU standard)
- Standard: AS/NZS 1841.6 certified
Good to know
- Always keep the cylinder upright and secure.
- Check for leaks when setting up your regulator.
- Refills are available at most authorised gas suppliers.
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