Fluval Ceramic CO2 Diffuser

The Fluval Ceramic CO2 Diffuser with Suction cup effectively dissolves CO2 into the aquarium and genuine replacement part for the Fluval 88 Pressurized CO2 Kit.

Compatibility-

Setup & Use

Why it needs cleaning. The ceramic disc’s job is to break CO2 into a fine mist as it passes through — algae and mineral buildup clog its pores over time, and the disc visibly browning or greening is the cue to clean it, rather than a fixed schedule.

How Fluval cleans its own diffusers. Per Fluval’s own care demonstration for this diffuser, remove it from the tank and soak the ceramic disc in a 50/50 bleach-and-water solution for 5–10 minutes, then rinse thoroughly and soak briefly in dechlorinated water before returning it to the tank — bleach residue left on the disc is toxic to fish if it isn’t fully rinsed and neutralized first.

No need to disassemble. The whole unit can go into the cleaning solution without taking it apart first.

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 48 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.