Water Hardness Test Strip

The Water Hardness test strip is calibrated at 0, 50, 125, 250, and 500ppm, and is also calibrated at 0, 3, 7, 15, and 30 grains per gallon.  Determine whether you have hard or soft water in just seconds. The Water Hardness test strip measures water hardness due to calcium carbonate.

1 lot of 50

Stabilized for accuracy

For more inquiries, look for  Ms. Ann (02) 775-6905