Safe Tap Check 9-Way Water Test KitMany of us drink bottled water because we question the safety of our tap water or don't like the taste. Consider 85% of the U. S. gets their tap water from public systems and the EPA holds tap water to much higher standards than bottled water. Home water quality testing helps identify quickly that your water is safe and healthy to drink. Details: pH: 2. 0, 4. 0, 5. 0, 6. 5, 8. 5, 9. 5, 10. 5, 12. 0 pH Total Alkalinity: 0, 40, 80, 120, 180, 240, 500