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most plaster (no black plaster)
and everyday household plumbing while fitting standard 1
and stabilizes pH for longer periods between treatments—so you can enjoy a comfortable soak with less maintenance
Two #20 variants included: supports both 3/4"–1 3/4" and 1 9/16"–2 1/2" hose diameters for broader use
Continuous alarm until reset: Ensures notification is hard to miss
AquaChek TruTest Spa Test Strips Size:50 Strips most plaster (no black plaster)AquaChek 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.
