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will74
05-29-2007, 6:02 AM
How much would plaster raise the ph of tank water just thinking might be able to make fake texas holey rock. also might have found a place that would sell by truckload for like 10 cents per pound/

samsmom
05-29-2007, 8:37 AM
Hi, just a thought, wouldn't plaster melt in the water?

will74
05-29-2007, 8:56 AM
Not with marine epoxy

Jayhawk
05-29-2007, 10:14 AM
But if you epoxy it, nothing will leach out which is what you need to have occur to increase pH.

Eric