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Hi all, First question is CH test. In the Extended Test directions (Calcium Hardness - Trouble Free Pool) it says to add R-0012 one drop at a time "until the color changes to something more or less blue". Mine goes more or less clear at about 40 drops, and starts to take on the faintest hint of...

Greetings everyone! Recently bought a new home in Stockton with a 20,000 gallon bean-shaped, gunnite/plaster chlorinated pool. Had it freshly replastered in Nov 2020. We live in the countryside of Stockton surrounded by walnut and cherry trees and have well water. We're dealing with lots of...