Atlantic Water Gardens Bio-Rocks Filter Media - A More Stable, Less Abrasive Bio-Media
Atlantic Water Gardens Bio-Rocks Filter Media - A More Stable, Less Abrasive Bio-Media
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Atlantic Water Gardens Bio-Rocks filter media are an effective, lightweight biological media. 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!
Specifications
Warranty 5 Years