The scale reads from 1 to 14 -> 1 – 3 indicates a very acidic substance , 4 – 6 indicates an acidic substance , 7 indicates neutral , 8 – 11 indicates alkalinity , 12 – 14 indicate a very high level of alkalinity.
Ph Paper (0~14) Indicator Strips With Dispenser, 5 Meter Roll
* 1~14 pH.
* Ph Paper strip with Dispenser
* 5 Meter Roll
* 45mm x 7mm (L x W).
* The test strip color changes must be matched with the pH scale color chart
within about 15 seconds.
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