CHARACTERISTICS

• Disposable CO2 canister replacement for ISTA diffuser set.
• Set of 3.
• A simple way to supply CO2 to your planted tank.

Specifications

Contents: 550 cc of CO₂ per canister at 1 atm, 25 °C

Yield: about 52 fills of an ISTA diffuser chamber per canister

Supplied: three canisters per pack

Disposable — not refillable.

Setup & Use

Each canister holds 550 cc of CO₂ at 1 atmosphere and 25 °C, which ISTA rate at about 52 fills of their diffuser.

These are disposable canisters for the ISTA CO₂ Diffuser Set. They are not refillable and they do not fit a pressure regulator intended for an aluminium cylinder.

Keep them out of direct sunlight.

What’s in the Box

Three disposable CO₂ canisters. The diffuser set is sold separately.

Returns & Replacement

Returns are accepted within 7 days of delivery, provided the item is unused and in its original packaging. Manufacturer-sealed items cannot be returned once the seal is broken, and sale-priced items are not refundable.

If your item arrives defective or damaged, message us on WhatsApp with your order number — or email us, if you would rather — and we will replace it. Approved replacements are delivered within 3 to 5 business days. Transit damage is covered by insurance on every shipment. If tracking shows delivered but nothing reached you, tell us within 72 hours, which is the reporting window Indian couriers allow. Damage caused during installation or use is not covered; replacement spares for such cases are chargeable.

Full terms are on our Cancellation & Returns page.