Equipment
Fluval Bio-Foam Block for FX4/FX5/FX6.
A replacement bio-foam block for Fluval FX4, FX5, and FX6 canister filters — the coarse mechanical layer that traps debris while housing beneficial bacteria. Swap it in to keep the canister flowing clean.
$25.99In stock
In-store purchase only. There is no online checkout on this site. Pick this up at our Erie store, or call us to arrange shipping.
- Brand
- Fluval
- Condition
- new
- Fulfillment
- Local pickup — Erie, PA
Pick this up at the shop, or ask us to ship it. Shipping cost depends on the item, so call (814) 456-9445 and we'll quote it — payment is taken upfront before the order goes out.
What it's for
Underlined topics open the guide that explains how they work.
- replacement media for Fluval FX canister filtersReplacement parts & media refillsCartridges, media refills and impellers. The parts that wear out on a schedule.In How Often to Clean a Fish Tank: A Simple Maintenance Schedule
- mechanical filtration to trap debrisMechanical filtrationStraining waste, uneaten food and debris out of the water before it breaks down.In How to build an easy freshwater sump — no drilling, no cut glass
- biological filtration surface for beneficial bacteriaBiological filtrationThe bacteria that turn fish waste into something harmless. The real filter.In How to build an easy freshwater sump — no drilling, no cut glass
- keeping canister filter flow unobstructedCirculation & flowMoving the water around so there are no dead spots and oxygen gets everywhere.In How to beat aquarium algae: ID and fix every common type
Visit the store
660 East 14th Street,
Erie, PA.
Mon–Fri 12–6 · Sat 11–4 · Sun closed. Call ahead on livestock — what's on the floor rotates.