Atlantic Water Gardens Bio Rocks
- Model: BB0500
- Description: 0.5 cubic ft. Bio-Rock Media
- Warranty: 5 year
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, more polished alternative to heavyweight bio-media. Use 1 box of 0.5 cubic feet of Bio-Rocks per Media Bag.
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