AquaChek Select Test Strips Brand_Unicel making them large enough to

making them large enough to become trapped and removed by your filter

which provides highly-accurate results concerning the three main components of spa chemistry: pH

Counteracts the effects excessive mineral scale buildup in spas

This will not only improve sanitizer efficiency

Natural Chemistry's Pool Perfect gives pool owners an all-natural clarifier and effective alternative to harsh chemical treatments marketed by competitors

AquaChek Select Test Strips Brand_Unicel making them large enough toAquaChek's Select test strips allow pool and spa owners to test their systems for total hardness, free chlorine, total chlorine, total bromine, pH, total alkalinity, and cyanuric acid. Simply insert the test strip into the pool or spa water for 1 second, and several seconds later you have fast, accurate results. It is recommended that you test your spa before each use, and pools a minimum of twice per week, to get an accurate picture of the health of