Aquatic Experts Bio Balls Filter Media Bulk Bio Filter Balls For Aquarium Filter

OUTSTANDING FILTRATION: The fiber ball is made of high-quality raw materials, durable, white and soft, good elasticity, efficient pollution interception, large specific surface area, and good activity. It is the best choice for aquariums to improve water quality and purify the water environment.

TRUSTED: Our bio filter balls are 100% polypropylene making them a safe reliable biological media for use as koi pond bio filter media, freshwater aquariums, and for saltwater fish tank bio media, aquaponics bio ball media, and much more. These biomedia balls can be used loose or in the mesh bag with plastic zipper.

SUPERIOR TO LAVA ROCK: Over time, porous lava rock becomes clogged with debris decreasing its surface area so that its ability to house and grow good beneficial bacteria plummets. Our bio balls' uniquely spaced spines allow most debris to pass right through them. Lava rock has tiny pores which make it difficult to clean while bio balls in most applications never need cleaning. A bag of wet lava rock is many times heavier than our pond balls.