The first is essentially a DIY rapid at-home test with paper testing strips to dip into your water and compare results to an ...

Hard water prevents detergent from working effectively, leaving mineral residue in fabric. Varify’s Water Hardness Test Kit helps you monitor water quality to protect your home and health. With a ...

Another sign that could indicate the home has hard water is soap scum buildup inside water-using appliances and on surfaces, ...