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Atlantic Bio-Rocks- 0.5 cu ft

Manufacturer: Atlantic
SKU: BB0500
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Atlantic 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