Pool Check 3in1 Pool & Spa Test Strips 3 in 1 Free Chlorine-PH-Total Alkalinity

These high-quality 3 in 1 test strips for your Pool or Spa are made by PoolCheck. Test for Free Chlorine or Bromine, PH and Total Alkalinity. The strips offer accurate results that you can rely on.

These strips have a unique safety feature if there is too much chlorine on your pool or spa. Instead of bleaching out like cheaper test strips which can fool you into thinking there is no chlorine in your pool and can result in dangerously high levels. They turn black indicating you should seek advice on how to lower your levels. 

A quick and relaible test solution for your pool and spa water.