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...