Bio-Activ Reef Substrate
The Bio-Activ Reef Substrate is perfect for reef system tank bottoms for denitrifying anaerobic beds and for high surface area filter media. It's pre-washed and requires minimum rinsing.
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The Bio-Activ Reef Substrate is perfect for reef system tank bottoms for denitrifying anaerobic beds and for high surface area filter media. It's pre-washed and requires minimum rinsing.