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Old 11-15-2012, 10:08 AM   #2413
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Originally Posted by mikeler View Post
Technically, you want to keep the water within a certain Langlier Saturation Index to minimize pipe corrosion. So you don't want it too acidic or basic and with sufficient alkalinity provide to provide a nice protective coating of calcium carbonate.
Protective calcium carbonate? Fine, after using Drain-O, he can let the pipes soak in a solution with Tums antiacid.
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