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So I have a couple of dark spots on the bottom of my pool. I placed some ascorbic acid on one to test it. Seemed like it made the stain spread with a brownish color. I travel for work so didn’t have anymore time to mess with it. A couple months go by and I now have what is going on in the...

Hello all, two weeks ago I did a water exchange to lower my CYA. I adjusted all parameters according to pool math and my pool was very clear. Yesterday I did my daily chlorine and pH tests and my FC was 0. I also noticed the pool water was slightly cloudy, still pretty clear but not as clear...

Hello everyone, I just purchased a house with a pool. Water looks clear. I tested the water for the first time today and it looks like I have super high chlorine numbers among other abnormal results. Some of these results seem so bad I have doubts that I did them right now. I can retest...

Hello everyone, like the title of this thread suggests, I’m a new pool owner. Just closed on my house on March 20th and of course it has a nice pool for my wife and I to enjoy. Only problem, I’m not sure when I will be able to move there haha. My plan was to move next week but with what’s...