Brand: Atlantic Water Gardens
- Expanded clay bio-rocks for beneficial bacteria growth in FilterFalls
- 25% less weight than lava rock
- Half the weight of gravel
- Same surface area as lava rock
- More stable and less abrasive than heavy-weight bio-media
Binding: Lawn & Patio
Details: With all 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! Easily add to a media bag and place in your biological filter or FilterFalls in ponds and water gardens for added surface area for beneficial bacteria to grow.
Package Dimensions: 13.2 x 12.2 x 9.5 inches
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