Fluval FX4/FX5/FX6 Bio Foam Plastic the mini 50-watt Marina Submersible

the mini 50-watt Marina Submersible Aquarium Heater provides reliable heating for fresh or saltwater aquariums up to 38 litres (10 US gal) aquariums

A: Not at all

Company X says that I don’t need to replace their phosphate absorber for several months

while they remain visible to the terrarium inhabitants

Fluval FX4/FX5/FX6 Bio Foam Plastic the mini 50-watt Marina SubmersibleDesigned specifically for the Fluval FX4, FX5 and FX6 performance canister filters, Bio Foam captures large particles and debris for effective mechanical filtration. Mechanical filter media Custom fit to prevent debris bypass Ideal pore size allows efficient water flow and longer media lifespan Enhances the biological filtration process For use in freshwater or saltwater aquariums Convenient 3 pack format 3x foam pads