Sell Biochemical Carbon Cotton/Cotton Mat/Aquarium Filter Pad best price

INFINITY BIOCHEMICAL CARBON COTTON Used for trickle filters, sump filters, hob filters, top filter boxes, canister filters, and many more! Dimensions: 32cm x 11.5cm x 4cmBio Cotton Uses/Functions: 1. This product is suitable for seawater cylinders, freshwater cylinders, and water straw cylinders. The size can be cut freely. 2. The clearance and softness of the pores are suitable for the breeding of excellent nitrifying bacteria by expert analysis. 3. Biochemical cotton can break down waste and feed residue, improve water quality filtration and cleaning, and reduce fish mortality. 4. Clean water once a month, not obstructed, not deformed, can be reused after cleaning, can be used continuously.