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FC 5.0, pH 7.6, Alk 60, CYA 60, CH 230, pool temperature 72 degrees I hope everyone is having a great summer and enjoying their pool. I am just starting to run into a CYA problem. At the beginning of the season (5/16) I tested my CYA and it was at 30. I tested CYA multiple times and confirmed...

Hello, I just opened my pool today and the water temperature is a chilly 56 degrees. I took a water sample and heated the water in the microwave for 20 seconds. I then measured my cyanuric acid and it was 40. I was expecting a zero reading. Is it normal to have a reading this high when...

CYA is 30 FC is 6 pH is 7.5 ALK is 80 I tend to keep my chlorine on the high side to prevent my pool from getting algae. I solve each morning for FC of 6 and let it drift down to around 4 each day. I was surprised when I saw what looked like algae in my pool yesterday. I brushed it away and...

I just opened my pool and I started my SLAM this morning. My readings were as follows: CYA 30 FC 0 pH 7.5 ALK 65 At 9:30am the pool Math told me to put in 3 gallons and 1 quart of 10% chlorine for shock level of 14 (app called for 12 but I thought I would go a little bit higher). At 1:00 my...

I had a yellowish substance on my top step about a week ago. At the same time, I started losing chlorine. I decided to slam the pool. I got the chlorine levels up to 18.2 and tried to maintain them at that level for a few days. The pool has always been clear, I passed the overnight test 2 days...

I have been following TFP this summer and my pool looks great. Thank you to all who have helped me. I attached a photo of some chemicals that I have purchased from the pool store in the past. Should I get rid of all of them or is there a potential need for any of them. Thank you for your help.

Hi Everyone. I opened my pool in the first week of May and with your assistance I got my pool crystal clear and everything seems to be in order. My test results today are as follows: FC 4 CC <.5 Alk 80 PH 7.2 Calcium 160 CYA 30 The first week of May I put gallons of easy pour Clorox into the...

I have had a pool for a few years and I have always relied on the pool stores. Last year, in the beginning of the season, I brought my water in to be tested and the pool tech said I had no CYA in the pool. They instructed me to put in quite a bit of it and I did. Turns out, I had CYA in the...