Worldwide Imports AWWA1037 Atlantic 1 Coral Sand, 20-Pound
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- Worldwide Atlantic 1 coral sand 20lb-2
- Natural crushed coral sand
- Prevents anaerobic dead spots in bacteria bed
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100% from the ocean floor. Natural crushed coral sand. Maintains superior ph and marine chemical balance. Provides maximum surface area for biological nitrification. Scientifically graded for uniformity which provides maximum water flow and aeration. Prevents anaerobic dead spots in bacteria bed.
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