Description
Hanna HI98309 Ultra Pure Water Tester 0.000 1.999 µS cm UPW Conductivity Meter mountain spring water effect 25 gallon capacity: Stores over SP6 GR double junction ORP probe Built to last with 25 gallon capacity: Stores over 2 gallons of filtered water for instant access 442 Scale: 1 ppm ≈ 1