FilterFalls Accessories
Product Details
High surface area provides optimal environment for beneficial bacterial colonization. With all of the surface area but, 25% less weight than lava rock and half the weight of gravel, expanded clay Bio-Rocks are the more stable, less abrasive alternative to heavyweight bio-media. Expanded clay is a lightweight, stable and less abrasive alternative to lava rock and gravel. Bio-Rocks are durable and easy to clean. Use one box of Bio-Rocks per BG2234 Media Bag. Bio-Rocks have a 5-year warranty.
WARNING California Proposition 65: WARNING: This product can expose you to chemicals including Silicone Dioxide that is known to the State of California to cause Cancer. For more information go to www.p65warnings.ca.gov