Pesfehhy Fully Automatic Fish Tank Stool Suction Collector Fish Stool Vacuum Cleaner

2. Working principle: Purify the water in the fish tank, store fish feces and impurities in the middle compartment, suck away the dirty water, and then return the clean water to the tank. 1. Fish waste suction collector/fish waste cleaner accessories: It can remove dirt in the fish tank, maintain water quality, and improve the ecological environment. Must be placed in water for use. Suitable for fish tanks of 80cm-100cm. 3. Easy to use: This filter accessory needs to be used with an air pump. Simply plug it into the air pump and into the bottom of the aquarium. Once the middle compartment is filled with fish poop, simply remove it and clean it before placing it back into the aquarium.