Whether testing well water or using them as a routine home testing solution
With its wide range of detection
If insufficient time
When the surface temperature reaches or exceeds 122°F (50ºC) the warning image appears in red
Because all of the reagents are impregnated on the test strip pad
Pool Check MPS, pH & Alkalinity Spa Check 3 in 1 Water Test Strips Good Distribution Practice Whether testing well water orParameters & Detection Ranges Monopersulfate: Low OK High pH: 6, 6. 4, 6. 8, 7. 2, 7. 6, 8. 2, 9 Total Alkalinity: 0, 40, 80, 120, 180, 240, 360 ppm Packaging: Blister packed bottle of 50 test strips. Details Monopersulfate, or MPS, helps to maintain and increase the life of your sanitizer. MPS Spa CheckTM 3in1 is the perfect solution for pool & spa owners who use MPS. Simply dip one test strip into your pool or spa for 5 seconds with a gentle back