Aquachek 512138 TruTest Digital Reader Swimming Pool Spa Test Kit Strips Refill

AquaChek's TruTest Test Strips give pool owners a quick and easy way to test their pool's overall health simply by inserting into the TruTest Digital Test Strip Reader, which provides highly-accurate results concerning the three main components of pool chemistry: pH level, free chlorine or bromine, and total alkalinity. When combined with the TruTest Digital Test Strip Reader, you get fast results with no need for color matching.