• Precise kit for measuring total water hardness at home or in professional environments. • Ideal for analyzing tap water, coffee machines, aquariums, pools, and water softener systems. • Includes 150 test strips providing a long-lasting supply for multiple analyses. • Fast and easy-to-interpret results using a clear color system. • Does not require electronic devices or complicated calibrations. • Allows hardness measurement in units of French degrees (°f), German degrees (°dH), and ppm.