Fish tank fish culture filter material Removing yellow water, purifying water quality, and eliminating fishy odors Protein Cotton

Description

    The filter material for removing yellow and fishy odors purifies the water quality of the fish tank

Nitrifying bacteria cultured on protein cotton

    Can quickly decompose the nitrite load caused by fish feed to remove yellowing, deodorization, sterilization, purify water quality, and inhibit algae

    Provide your fish with a safe and transparent environment