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Comprehensive parts set: O-rings
These crystals are GMP certified
it simplifies deep cleaning without dismantling your system
Built to endure regular pool maintenance
AquaChek TruTest Spa Test Strips Size:50 Strips Comprehensive parts set: O-ringsAquaChek TruTest Spa Test Strips give hot tub owners a quick and easy way to test their pool's overall health simply by inserting into the TruTest Spa Digital Test Strip Reader, which provides highly accurate results concerning the three main components of spa chemistry: pH, free chlorine or bromine, and total alkalinity. When combined with the TruTest Spa Digital Test Strip Reader, you get fast results with no need for color matching.
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