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    Comparator Block pH Colors

    The comparator block that came with my TF-Pro (yellow and red sample cell tops) has pH colors for 7.5 and 7.8 that are almost indistinguishable between them. The other block available on the TFtestkits website, the Taylor 9781, shows clear color differences between 7.5 and 7.8. The Taylor...
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    App Timeline

    The specific dates and times used to be shown in the Timeline feature. This morning I noticed times like “awhile ago”, “yesterday” and “three days ago”. Well three days ago I tested and added chemicals 3-4 times that day. The timeline appears to have become much less specific, which makes the...
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    Lowering TA with high TA fill water

    I’m m going to jump into this topic with a question closely related. My pH goes up by 0.2-0.3 every day Ive been adding MA about every 3 days. I’ve seen the phrase “chasing pH” and that’s what I feel I’m doing. I drop it to 7.3 and two-three days later it’s 8.0. I am a second year pool owner...
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    CSI Feature in Pool Math

    How do I turn on the CSI feature? Can't find it in the app or the online TFP site, and I searched and visited several threats about CSI recommending it be turned on, but none of the posters says how, other than turn it on in the app. I have the app on my phone.
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    Test results

    TF-Pro just arrived today. I'm used to the cheap HTH style kits. I didn't have a problem with the TA test (it came in at 130). The PH test was just like the common kits so that was easy. My PH measured at 8.2 so I know I need to add acid. How do I figure out how much acid is needed...
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    Second Year Pool Person

    First year: algae that came back in a few days, cyanuric acid crazy high, dark spots/streaks on the plaster surface, chlorine that would disappear in a day, and a $20 test kit. At the end of the year I had a 'pro' drain the water and clean the surfaces with muriatic acid. Results were way...