Refill-Model Hcm-Dr Hardness Kit, Each

Details:

Direct reading titrator (9859x42 and x43)for determining total hardness of waterrange 0 to 200 ppm as caco3 in 4 ppm incrementstitrators may be refilled to test higher concentrationssufficient for 50 tests at 200 ppmdirect reading titrator (9859x72 and x73)for determining calcium, magnesium and total water hardnessrange 0 to 200 ppm as caco3 in 4 ppm incrementssufficient for 50 tests at 200 ppmdirect reading titrator method (9860a15 and a16)for determining low range total hardness of waterrange of 0 to 10 ppm as caco3 in 0.2 Ppm incrementssufficient for 50 tests at 10 ppmdrop count method (9860a47 and a48)for determining total hardness of waterone drop equals 10 ppm or 1 gpg as caco3sufficient for 50 tests at 200 ppm or 20 gpg