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Apply to : pH 1 ~ 14
contains one pack of 80 pH strips
1. Take one strip from the pack and dip it in to the solution you want to measure. The color of the strip will change instantly.
2. Immediately match the color against the color chart inside your pack to get the pH. Don’t delay or let the strip dry!
3. The number beside the color on the chart is your pH value. The pH scale varies from 1 (pretty acidic) to 14 (highly basic), 7 is neutral.
Please be aware that solutions with a pH of ~5.5 will lead to a yellow colored test strip that looks like the initial color of the dry strip.
Keep in a cool, dry space far away from sunshine.