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Monopersulfate, or MPS, helps to maintain and increase the life of your sanitizer. MPS Spa Check™ 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-and-forth motion. Remove the strip and shake once, briskly to remove excess water. Wait 15 seconds and match with the closest colors.
- 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.