Aquapapa SB500 Bio Balls with Inside Sponge Design Filter Media for Aquarium Fish Pond Garden Waterfall Fountain, 500 Pcs

描述

These 1” diameter Polypropylene Bio balls are great for your canister filter or fish pond filtration. They provide large amount of surface area in a small space where lots of beneficial bacteria can form on the surface. These bacteria can help convert and remove toxic waste like ammonia and nitrites in your tank. This Bio ball also helps produce turbulent flow which helps with the gas exchange and reduce toxins.