Jed 5 Factor Cl Br Alk pH Hardness Test StripsIs your pool water optimal? Test it out! These Jed 5 factor test strips will let you know all that your eyes can not see in your pool water, and help you rebalance your water chemistry. You can keep the perfectly balanced pool with JED pool reagents based on the test results. The test strips calculates factors like pH levels, alkalinity, the strength of chlorine content, hardness and pH levels, and comes with a color code that easily helps you