Features:
• High accuracy pH test paper, pH range from 1-14
• The pH 2-10.5 color chart with each book The test strip color changes must be matched with the pH scale color chart within about 15 seconds
• Can be used to measure pH of water, soap, lemon juice, vinegar, milk, liquid detergent, moisturized soil, saliva, urine, sweat
• Eco Friendly
PH Paper Roll Merck Germany
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