PoolCheck 4+ - Free Chlorine, PH, TA, Cyanuric Acid - 50 strips

PoolCheck 4+ - Free Chlorine, PH, TA, Cyanuric Acid

Simple 20 second test, Bottle of 50 test strips

You can use for both Chlorine and Bromine. 

Great add feature with this test strips is that if over chlorinated, the PoolCheck 4+ strips will give indication (turning black) rather than bleeching like most other on the market.