06-14-2012, 07:26 PM
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Originally Posted by FLTekDiver81
It only says sillica, but I dont think it said 100%, nor did it list any other added ingredients. With respect to the filter, it is a planted tank so I am basically only utilizing the filter for slight water movement, so I was thinking of using a black pantyhose to cover the filter intake to protect the impeller, OR just shortening the intake tube so its not quite so close to the bottom.
My only concern would be that it might compact too much for the plants' roots. Someone mentioned that it is very fine. By the way, howdy fellow THDer !