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I guess it would depend on the size of the sump, but after doing some research into the matter (Granted I have just started researching this out as the actual construction of my sump is at least a month to two months off), I was under the impression that 1/4 would be adequate.
Are there any guidelines that can be used to determine the necessary thickness of the acrylic?
Is it true that extruded acrylic will absorb water? That doesn't sound right to me.
matthew |