1-14 PH Alkaline Acid Test Paper Water Litmus Testing Kit

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1-14 PH Alkaline Acid Test Paper Water Litmus Testing Kit
 
Name: PH Test Paper
Paper Size: App 45mm x 7mm (L x W)
Weigh: App 3g
 
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 indicates a very high level of alkalinity
PH 1-14 color chart in each pack
The test strip color changes must be matched with the pH scale color chart within about 15 seconds