Test Paper Water Indicator Litmus Testing For Gardening Aquarium Plant Analysis Plant Instrument ph 0-14

Function

Box material: plastic Paper length: 5m / 16ft Scale Reads From 1 to 14: 0 - 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 secondsnote:

Can not indicate the Acid or alkali solution when its density was lower than 0.01%.

Keep dry for the rest paper.