MICROSIDD Fisher Scientific Wide Range Ph Test Strip(1 - 14)
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High accuracy pH test paper, pH range from 1-14 100% Brand New. Authentic Quality, pH 1-14 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...etc. factory sealed container 10 Books per pack (Each book contain 20 Papers)
