AQUARIUM SOLUTIONS BACTO-SURGE HIGH DENSITY FOAM FILTER Size:LARGE a hearty grain-free

a hearty grain-free

Works for both fresh and saltwater tanks

Ideal for freshwater

the enhanced five-stage filtration and included ammonia specialty filter pad will help keep your aquarium water clean and your fish healthy

It has microscopic pores that increase its usable surface area to many times that of a purely spherical resin

AQUARIUM SOLUTIONS BACTO-SURGE HIGH DENSITY FOAM FILTER Size:LARGE a hearty grain-freeGreat for use in freshwater or marine applications. Highly porous sponge maximizes bacterial action. Increased surface area offers maximum bacteria colonization. Soft sponge material offers easy cleaning. Sponge designed for longer life.