Contains LIVE stabilized marine bacteria for rapid aquarium cycling.
No rinsing required. Simply open it up, and dump it in!
Reduces Ammonia, Nitrite & Nitrate Levels.
"Good Til Date" ensures that you are receiving a top quality "fresh" product.
Strongest pH support, and buffering capability of ANY aquarium substrate.
Superior trace element composition.
Precision grading for maximum pore water space allows for greater diffusion of Calcium, Carbonate, and Trace Elements.
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perfect grain size, colour, and pink speckles Review by Dino
Quality Price Value
10 lbs got me perfect 3/4 inch coverage for my fluval evo 13.5. My only complaint is I wish caribsea would have a clear answer right on the packaging of whether or not the bio mag clarifier is completely coral safe (I'm paranoid so didn't add it - not a big deal) (Posted on 9/19/2017)