Hi again
I have an 18x36 vinyl pool. I'm using Sodium Hypochlorite (HTH) for shock. My PH is now very high( can't be a correct reading), which makes no sense as Sod Hypo usually lowers PH when you shock. I shocked with about 10 cups, which again is high, but I've done worse in the past. Usually a hard shock makes the water clarity better, but not in this case.
I'm off the scale with CL (the test is actually an orangy red!), so can't give you a number. PH is reading wrong as well as CL is so high.
I've shutdown my pump, and hoping things will settle out. The algae (and anything else for that matter, ha ha) is killed off, just have to deal with the cloudiness.

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