Aqua One Charcoal Fish Tank Pond Activated ChemiCarb Carbon Gravel Over time the O-ring can

Over time the O-ring can get dry or cracked which allows water to leak out of the canister filter therefore requiring replacement

Compatible with any brand with XX-303/403/703 series external canister filter

The blade is encased in a plastic housing that virtually eliminates the chance of personal injury

1 test bottle

our range of accessories provide complete control over airflow within your aquarium

Aqua One Charcoal Fish Tank Pond Activated ChemiCarb Carbon Gravel Over time the O-ring canDescription: Carbon has been used in aquariums for decades as one of the cheapest and most efficient forms of chemical filtration available. Its chemical absorbing qualities make it perfect for polishing your water till its crystal clear. Particularly helpful if your driftwood is prone to releasing water browning tannins. The carbon comes with its own media bag making it simple to use in your filter. Packaging: 1 x package of ChemiCarb Carbon, weight