Testing Range: 0.5-5.0 Precision; Size: 55mmx9mm / 2"x0.35" (L*W)
pH Color Chart Intervals: 0.5, 1.0, 1.5, 2.0, 2.5, 3.0, 3.5, 4.0, 4.5, 5.0
NOTE: Please store in a cool, dry place away from sunlight.
This paper does not apply to buffer solutions and very weak acid-base solution concentration lower than 0.01%
Widely applied to industrial chemical testing, science education, lab use, drinking water, swimming pool, spa, aquarium and classroom analytical chemistry.