Description:
2. The scale reading ranges from 1 to 14:1-3 for acidic substances, 4-6 for acidic substances, 7 for neutral, 8-11 for alkalinity, 12-14 for very high alkalinity, and each package of PH1-14 color meter
3. The color change of the test strip must match the pH scale color table within about 15 seconds
4. Paper size: about 45mm x 70mm/1.77 * 2.75 inches
Package includes:
1 pack=80 pieces of pH test paper
explain:
1. Just press the test strip on the test object or liquid. After half a second, take out the paper and use the attached color table to compare the color changes of the paper to find out the acidity level of the test object.
2. When the density of the acid or alkali solution is less than 0.01%, it cannot indicate its concentration.
3. Keep the rest of the paper dry
Preview:
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Return delivery costs are the responsibility of the buyer. We will cover the cost if sending replacement/repaired items.
Within 7 days after receiving your products, we offers a no-hassle 7 day exchange/replace only if your items are found to be defective by manufacturer.