Hanna Instruments 

HALO2 Wireless pH Tester for Milk with built-in specialized electrode

HI38020 Free and Total Chlorine Low, Medium and High Range Test Kit

HI38050 Nitrate Test Kit for Soil and Irrigation Water

HI38054 Ozone Test Kit

HI38061 Phosphate Test Kit

HI38067 Silica Chemical Test Kit

HI38074 Boron Chemical Test Kit for Irrigation Water

HI3810-100 Dissolved Oxygen Chemical Test Kit Replacement Reagents (100 tests)

HI3811-100 Alkalinity Test Kit Replacement Reagents (110 tests)

HI3812 Total Hardness Chemical Test Kit

HI3812-100 Total Hardness Test Kit Replacement Reagents (100 tests)

HI3814 Environmental Monitoring Chemical Test Kit

HI3815 Chloride Chemical Test Kit

HI3817 Water Quality Test Kit

HI3817BP Backpack Lab® Water Quality Educational Test Kit

HI3818 Carbon Dioxide Chemical Test Kit