Industrial Test Systems 481340 3 in 1 MPS Spa Check
Special Features
- 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
- Bottle of 50 test strips
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