Hach's Most Popular Test Kits 

Chlorine, Hardness, Iron, and pH Test Kit, Model CN-39WR pH Test Kit, 4.0 - 10.0 pH, Model 17N Alkalinity Test Kit, Model AL-DT Total Hardness Test Kit, Model 5-B
Alkalinity Tests Method/Chemistry Range Model Prod #
Alkalinity Test Kit w/Digital Titrator 100 Digital Titrator/ Sulfuric Acid 10-4000 mg/L AL-DT 2063700
Alkalinity Test Kit 100 Digital Titrator/ Sulfuric Acid 5-100 P, 20-400 mg/L AL-AP 2444301
Arsenic Tests Method/Chemistry Range Model Prod #
Arsenic Test Kit, LR 100 Test Strip 0-500 ppb   2800000
Arsenic Reagent Set 100 Test Strip     2799900
Chloride Tests Method/Chemistry Range Model Prod #
Chloride Test Kit 100 Drop Count Titration/ Silver Nitrate 5-100, 20-400 mg/L 8-P 144001
Chlorine Tests Method/Chemistry Range Model Prod #
Free & Total Chlorine Test Kit 100 Color Disc/DPD 0-3.5 mg/L CN-66 223101
Free & Total Chlorine Test Kit 100 Color Disc 0-0.7, 0-3.5 mg/L CN-70 1454200
Free Chlorine Test Kit 100 Color Cube / DPD 0-3.5 mg/L CN-66F 223102
Total Chlorine Test Kit 100 Color Cube / DPD 0-3.5 mg/L CN-66T 223103
Dissolved Oxygen Tests Method/Chemistry Range Model Prod #
Dissolved Oxygen Test Kit 100 Drop Count Titration 0.2-4, 1-20 mg/L OX-2P 146900
Hardness Tests Method/Chemistry Range Model Prod #
Total Hardness 100 Drop Count Titration 1-30 gpg 5-B 145300
Total Hardness 100 Drop Count Titration 1-20 mg/L, 1-20 gpg HA-71A 145201
Total Hardness Test Kit 100 Drop Count Titration 1-30 gpg 5-EP 145400
Total   Calcium Hardness Test Kit 200 Digital Titrator/EDTA 10-4000 mg/L HAC-DT 2063900
Hydrogen Peroxide Tests Method/Chemistry Range Model Prod #
Hydrogen Peroxide Test Kit 100 Drop Count Titration/ Thiosulfate 0.2-2, 1-10 mg/L HYP-1 2291700
Hydrogen Sulfide Tests Method/Chemistry Range Model Prod #
Hydrogen Sulfide Test Kit 18 Color Chart 0-5 mg/L HS-C 2537800
Hydrogen Sulfide Test Kit 30-60 Color Disc 0-0.55, 0-2.25, 0-11.25 mg/L HS-WR 223801
Immunoassay Tests Method/Chemistry Range Model Prod #
Immunoassay Reagent Set, TPH in Water Pocket Colorimeter II Analysis System 18 Immunoassay 2, 5, 10, 20 ppm   2774300
Microbiology Tests Method/Chemistry Range Model Prod #
MEL/850 Potable Water Laboratory     See details   2688800
Molybdate Tests Method/Chemistry Range Model Prod #
Molybdate 100 Color Disc 0-3.0 mg/L MO-LR 2359300
Molybdate 100 Color Disc 0-10, 0-50 mg/L MO-2 1419301
Multi-Parameter Tests Method/Chemistry Range Model Prod #
Deluxe Water Conditioning Demonstration Test Kit 50-200 Drop Count Titration See details AD-16E 148410
Hardness, Chlorine, Iron, & pH Test Kit 100-300 Color Disc/ Drop Count Titration See details CN-39WR 223002
Hardness, Iron, & pH Test Kit 100-300 Color Disc/ Drop Count Titration See details HA-62B 183702
Hardness, Iron, & pH Test Kit 100-300 Color Disc/ Drop Count Titration See details HA-62A 183701
Hardness & Iron Test Kit 50 Color Disc/ Drop Count Titration See details HA-95A 145602
Surface Water Test Kit 100 Color Disc/Drop Count Titration/pH Tester See details   2559833
Nitrogen Tests Method/Chemistry Range Model Prod #
Nitrogen, Nitrite Test Kit 100 Color Disc/ Ferrous Sulfate 0-100, 40-2000 mg/L NI-6 224000
pH Tests Method/Chemistry Range Model Prod #
pH Test Kit 100 Color Disc pH 4-10 17N 147011
pH Test Kit 200 Color Disc/ Bromthymol blue pH 5.5-8.5 17F 147006
Phosphorus Tests Method/Chemistry Range Model Prod #
Phosphate, Ortho (reactive) 100 Color Disc 0-1, 0-5, 0-50 mg/L PO-19 224800
Silica Tests Method/Chemistry Range Model Prod #
Silica Test Kit 100 Heteropoly Blue/ Amino Acid 0-40, 0-800 mg/L SI-5 1455400