Description
Clarify your water naturally and cultivate beneficial bio-filtration with these Polypropylene Bio-balls! Bio balls with their immense surface area per square inch serve as great hosts to beneficial bio-filtration in aquatic biological filtration systems. They promote gas exchange and increase dissolved oxygen levels, then filter the water as the bio-balls combine with organic waste to dissolve it. Feature: For use in fresh & saltwater aquarium and ponds. Free media bag for easy handling BIO-Balls do not require replacement unless damaged or destroyed In the event of excessive buildup, you may gently rinse with water from an established aquarium