Description
- 1 set of 80 ph test strips (ph 1–14) and color charts.
- The ratio is 1-14: 1-3 indicates a very acidic substance, 4-6 indicates an acidic substance, 7 indicates neutrality, 8-11 indicates alkalinity, and 12-14 indicates a very high basicity.
- It can be used to measure ph values in many everyday substances such as liquid soap, lemon juice, milk, purifiers, wetlands, saliva, urine, sweat, etc.
- Packing quantity: 3 sets / package
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