Hardness Test Kits & Test Strips


Convenient tools for water hardness detection.


Hardness test kits and strips provide rapid, on-site measurement of calcium and magnesium concentrations. Built for field testing, industrial water systems, and laboratory analysis.

Hach 5 in 1 Water Quality Test Strips, 2755250
$31.45

Mfr. Part # 2755250

Product # 701888

Hach Hardness (Total) Test Kit, Model 5-EP MG-L, 145401
$55.69

Mfr. Part # 145401

Product # 700755

Hach Hardness (Total & Calcium) Test Kit, Model HA-4P, 145700
$155.00

Mfr. Part # 145700

Product # 700756

Hach Hardness (Total & Calcium) Test Kit, Model HA-4P MG-L, 145701
$155.00

Mfr. Part # 145701

Product # 700757

Hach Hardness (Total) Test Kit, Model HA-DT, 2063600
$442.00

Mfr. Part # 2063600

Product # 701112

Hach Hardness (Total & Calcium) Test Kit, Model HAC-DT, 2063900
$497.00

Mfr. Part # 2063900

Product # 701114

Hach Total Hardness Test Strips 0-425 mg/L 1000 Tests Individually Wrapped 2793828
$508.00

Mfr. Part # 2793828

Product # 701920

Hach Total Hardness Test Strips 0-425 mg/L 250 Tests Individually Wrapped 2793844
$170.00

Mfr. Part # 2793844

Product # 701921

Hach Total Hardness Test Kit, Model 5-EP, 145400
$55.99

Mfr. Part # 145400

Product # 700754

Hach Total Hardness Water Test Kit Model 5-B 145300
$34.25

Mfr. Part # 145300

Product # 700753

Hach Total Hardness Test Kit, Model HA-71A, 145201
$114.00

Mfr. Part # 145201

Product # 700752

Hach Total Hardness Test Strips, 0-425 mg/L, 2745250
$21.65

Mfr. Part # 2745250

Product # 701877