Laboratory 

HI3830 Bromine Test Kit

HI3831F Free Chlorine Test Kit

HI3831T Total Chlorine Test Kit

HI3833-050 Phosphate Test Kit Replacement Reagents (50 tests)

HI3841 Total Hardness (40-500 mg/L) MR Chemical Test Kit

HI3842 Total Hardness (400-3000 mg/L) HR Test Kit

HI3846 Chromium VI Chemical Test Kit

HI3850 Ascorbic Acid Test Kit

HI3854 Zinc Test Kit

HI3859 Glycol Chemical Test Kit

HI3874 Nitrate Chemical Test Kit

HI3895 NPK Soil Chemical Test Kit (10 tests each)

HI3895-010 Quick Soil Test Kit Replacement Reagents (40 tests)

HI3896 NPK Soil Chemical Test Kit (25 tests each)

HI3896BP Backpack Lab® Soil Quality Educational Test Kit

HI3899BP Backpack Lab® Marine Science Educational Test Kit