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  1. L

    got my test kit

    Got my tf100 and want to make sure I'm doing right. Todays readings are ph 8.2+ FC 7.5 CC 0 TA 160 CYA 30 CH 550 I am shooting for for TA of 125 to bring csi to zero with the calcium hardness of 550. I have been adding Muriatic acid everyday and cannot get ph reading lower. I don't recheck for...
  2. L

    refilled spa, want to do it right

    just used spa purge and refilled. Have only walmart test kit and strips. Walmart test says TH 500, ph 7.8, TA 410, Cya 0( dot never left), and Cl .5. Test strips said TA 240+, ph 7.8, Cl 0, cya 30-50 does not test CH/TH I added .5 oz of dichlor per poolcalc. I lost the link for the discount...