Atlantic Water Gardens Bio-Rocks
SKU:
BB0500
$15.99
$15.99
Unavailable
per item
Atlantic Water Gardens Bio-Rocks are an excellent filter media for biological filtration in all up-flow water filters. Contains 0.5 cubic feet, 28 lbs.
- Contain same surface area as lava rock, but 25% lighter
- Less abrasive alternative to heavy-weight bio-media
- Half the weight of gravel