BrightWater Bio Media H Sponge Bio Media Aquarium Filter Media Pond Filter Media H Shape Sponge Bio Filter H Shaped Sponge Filter for Aquarium an

Brightwater H-series is made up of a newly developed super high-porosity foam. This new foam is super lightweight, zero dust and made from an innovative high-tech material. Strong durability and long usage life, does not breakdown or disintegrate. Sophisticated material creates a more intricate pore structure that stabilizes the PH level of saltwater or freshwater in all tanks or ponds. The results are less maintenances, and is easily changed/replaced, and overall better water quality. Good for both biological and mechanical filtration system.