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My pool is over 10 ppm in total Chlorine now and has been for 4 days and this is the second attempt to get Free Chlorine. Once again last night I added 3 more gallons of Liquid Chlorine and had a free chlorine reading for a few minutes, this was in the dark. But anyways thanks for the...

My pool is blue and clean to the bottom, I already slammed it as I always do when I start. I also use a pretty good dropper kit for testing. My issue is free chlorine and the brown/dark yellowish staining on my steps and corners of my liner. I gave my testing numbers above. I thought at first...

Hello, I have had my swimming pool for 10 years, the last 2 years has been a nightmare for me. Let me get into specifics - My Total Chlorine Level is currently 10 ppm which is pretty high, but my free chlorine level is 0. I go to the swimming pool store they sell me a non Chlorine Oxidizer and...