Fluval FX4 Canister Filter Angelfish Replace approximately every 2 to

Replace approximately every 2 to 4 months based on bio-load and water clarity

After pH stabilizes

Brightwell Aquatics AngeLixir - 250ml

and vitamins for coral and invertebrate systems

Fluval FX4 Canister Filter Angelfish Replace approximately every 2 toFluval FX4 Canister Filter The Fluval FX4 Canister Filter is a high performance external aquarium filter for freshwater and saltwater aquariums up to 250 US gallons 1000 L. Designed as the mid size FX Series workhorse, the FX4 combines Smart Pump technology, self starting operation, strong mechanical capture, multi stage media capacity, and built in maintenance convenience for serious aquarium systems with higher filtration demands. FX4 High Output