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