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I am systematically trying to undo the years of damage from using pool store supplied advice and products. I started by slamming the pool. The yellowish marks on the bottom of the pool remain and after reading other posts I began to understand it was likely copper staining. I had my water tested...

Two questions — do I increase alkalinity before addressing the PH? Is sodium hydrocarbonate ok to use instead of baking soda? I bought it last year at a pool store and it is branded as “alkalinity rise”. This forum has taught me to be skeptical of everything I’m doing. 😊 Thanks in advance...

I’m seeking a recommendation for a gauge. It is a back mounted setup, but kind of a pain since it faces the fence. Also wondering if there is an option to switch to a bottom mount so it’s easier to read. Thanks

At the end of last year, when we would shock our pool (powder shock), black patches would appear on the pool floor almost immediately. They’d fade and look a bit yellow the next day, could be brushed, but never really went away. Of course the pool stores were no help and we closed the pool...

We’ve owned and managed our pool (22k gallon gunnite with pebbletec finish) for ~15 years. Some years are great. Some are a real battle. The pebbletec finish is 3 years new for us, and we closed the pool last fall with what I suspect was the start of black algae. I came across this site and am...