Test strips for free chlorine, pH, total alkalinity and cyanuric acid (stabilizer). 50 pcs per jar. Also suitable for salt chlorinator users.
Note, the test trips have an expiration date. The values are only reliable if the sticks are within the expiry date. Chlorine levels are only reliable if pH level is within recommended span. Start off by adjusting water alkalinity with TA+. Then adjust pH level with pH- or pH+ granules. Finish off with a chock clorination.
Quick Check 4-in-1 Test Strips