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I am using plain liquid chlorine in my water, so I don’t raise the CYA above 30. I was keeping the TA around 80-90, but it was keeping my PH at around 7.7-7.8. I am now keeping the TA around 50-60 and I am being able to keep my PH around 7.3-7.4. Would it damage my liner or pool equipment to...

Than makes sense. I will change my minimum to 2.8ppm. However, my ORP never dropped below 675. PHin limits are 675 min and 875 max and mine is always fluctuating in the middle. It really bothers me to have algae and great ORP. Maybe PHin is also wrong. So I guess the other suggestion to...

22350 gallons, TF-100 test kit chlorine level kept between 1.5 and 3.5. Never been below 1. No CC levels. Zeosand filter. CYA level of about 25. TA of 70 CH of 200 PH varies from 7.7-7.8 during the day down to 7.4-7.5 at night when the pool is not running Currently using CALHYPO tabs not to...

wow. Maybe I should not follow the liner instructions. I will keep the calcium at 100ppm. No more calcium. Unless there is any advantage to have a 200ppm of calcium in a vinyl liner pool. Would the water feel better with more calcium? i tested the city water and they have 0ppm of calcium...

My pool is a new vinyl liner installed 4 days ago. 22,350 gallons of water inground pool i have a sand filter that I just replaced the inside fingers and changed it from sand to zeosand. It runs at about 12psi. Sand capacity is 75gpm The motor is 1hp and the pump I don’t know. Sticker is...

I am a new pool Owner and I am very concerned about test kits. I am using the TF-100 I got results and I took the water to a pool store and got it checked in their digital system. Here is what I got: FC - Mine:3. Store:1.7 CC - Mine:0.5. Store:0.58 PH - Mine:7.3. Store:7.6 TA - Mine:60...

I bought this test kits with my TF-100 kit, but it has no instructions on how to use it. How much water? how many drops to add? how to read results? please help!