These inexpensive colorimeters are ideal for quick and easy field hardness testing. Total hardness is comprised of two concentrations of dissolved salts, magnesium and calcium carbonates.
The sum of magnesium carbonate and calcium carbonate make up total hardness. Therefore, both a magnesium and calcium colorimeter are required to obtain a total hardness measurement.
Includes: two sample tubes with caps, 9V battery and instructions. Reagents are not included and must be ordered separately.
Items sold by USABlueBook are intended for use only by professionals in the water and wastewater treatment industry. Many items sold by USABlueBook require supplemental training, licenses or permits for proper use and may be harmful if not used properly.
Now In: 
