Hardness TestingCHEMetrics - Thermo Scientific Orion
1
Thermo Scientific Orion Water Hardness Standard, 100 ppm CaCO3, 475 mL, 923206.
Item No.21782 Call for availability
Price $136
each
2
CHEMetrics Hardness Test Kit Range: 20 to 200ppm, 30 tests.
Item No.33829 Call for availability
Price $41.47
each
3
CHEMetrics Hardness Test Kit Range: 2 to 20 ppm, 30 tests.
Item No.33828 Call for availability
Price $42.51
each