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  1. Pietecasius

    Pool Math App question

    Not trying to maintain a low CYA level, that happened to be the level the day after the pool was filled and the builder threw in three bags of shock.
  2. Pietecasius

    Pool Math App question

    Mknauss, why is a CYA result of 2 not possible? As the chemical is added to the water feom 0 ppm it will be 2 ppm at some point. If you are referring to the resolution of a particular test method, I own and use a Pool Lab 1.0 photometer to test my water. Pool store test results matched my...
  3. Pietecasius

    Pool Math App question

    Thanks Everyone. I have read pool school. Im fairly well versed on pool care, just new to the app, and SWCG. I didnt realize the app was auto setting the FC range off of the actual CYA test. CYA reading of 2 is correct. I am in the process of raising the CYA on a new pool fill. Sounds like FC...
  4. Pietecasius

    Pool Math App question

    How do i change the Free Chlorine range in the pool math app? It is set for 1-3ppm, and based on a Salt pool with a target CYA of 70, my range should be 3-5 (according to TFP CYA/FC chart) I can’t figure out how to change the range in the app. Thanks in advance for any help!