Aqua Chek 511242A Free Chlorine Test Strips - Yellow power transmission

power transmission

SP3007X10(AZ) and SP3010X15(AZ)

Automatic overload protection

75" SPG x Barb 90 degree ELL Barb Coupling

Speeds Up Melting

Aqua Chek 511242A Free Chlorine Test Strips - Yellow power transmissionThese AquaChek Yellow test strips from Hach will test your pool and spa water for free chlorine, pH, total alkalinity and cyanuric acid. Just dip a strip into the water for one second, and remove immediately. You'll have your test results in 15 seconds. To keep your pool at its best, test at each end of the pool at least twice a week, and test your spa before each use. Bottle contains 50 test strips. Instructions included in 15 languages.