Pay in 4 interest-free payments of $9.68 Learn more
Ships within 48 hours · Estimated delivery Aug 23 - Aug 28
This calibration key is used to make sure your instrument functions the same at Day 1 from purchase as it will do on Day 100 and Day 1000 and so on
4 ppm 5 Biguanide 486810 1
Total (marine) 486641 10 - 175 10 Alkalinity
Pool eXact® EZ
Lead Soil Check Kit_Starter This calibration key is usedLead Soil Test strip measures 100, 200, 300, & 400 ppm (mg L) in less than 10 minutes. In addition, the strips are safe to use, packaged individually, non hazardous, and contain no potentially harmful components. Simply collect your soil sample, add the supplied reagent, and dip the test strip (5 tests included) for accurate results. Detects: 0, 100, 200, 300, 400 (tests for lead & other heavy metals)
US$ 149.00
US$ 105.00
US$ 110.00
US$ 190.00
