Hardness

Chose between:

• Hardness Test Kit with 50, 30 or 10 test strips, ideal for water softeners
• Eco-Check 5-in-1 Kit with 25 test strips, each testing the Total Hardness, pH, Total Alkalinity, Nitrate & Nitrite of your water
• Hardness Yes / No Tablets with 10 or 250 tablets
• 3 Way Test Strips with tests for pH, Alkalinity and Hardness