For use with bodily fluids only. pH Tape tests both saliva and urine.
Recommend
Directions: 1. To test saliva, place tape beneath tongue for three seconds. Remove. Compare to color chart. 2. To test urine, dip tape in urine flow. Shake excess fluid off tape. Compare to color chart. Test saliva and/or urine in the morning. Test two hours after eating or drinking to observe impact on pH. 7.0 is neutral. Above 7.0 is alkaline. Below 7.0 is acid.