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1 to 5 ppm (mg/L)
This basic
Total High (as CaCO3) 486656 90 - 600 Hardness
See if your water is aggressive
PoolCheck® Copper 3in1 Kit_Spa 1 to 5 ppm (mg/L)PoolCheck Copper 3in1 is the only complete source for pool & spa testing that you will ever need if you have a Copper ionization system for your pool disinfection. Test only takes 20 seconds and you get 3 most important readings of your pool or spa along with a guideline OK or NOT OK. Tests for: Copper 0, 0. 2, 0. 4, 0. 7, 1, 2 ppm pH 6. 0, 6. 4, 6. 8, 7. 2, 7. 6, 8. 2, 9. 0 Total Alkalinity 0, 40, 80, 120, 180, 240, 360 ppm Features: No instrument
