make your own rock?
Hey steve
I mysel have never made my own rock but 100lbs of the 180 in my tank is tufa(calcium carbonate) rock, or at least it was 8 months ago ;) this saved me alot of money when setting up my tank and i have seen no adverse effects from doing so. only down side is it takes a while for the rock to get all pretty and colorful but it happens eventually.
Jonathan
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