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Usage Instructions
1. Submerge the strip for 1 second before removing it; gently shake off any excess water.
2. Match the strip to the color chart and read the result right away.
Important Warnings
1. If the water sample has any color, please decolorize it until it is colorless before testing.
2. If the buffer solution appears weak, insert the test strip and wait until its color stabilizes.
3. Avoid getting wet fingers inside the bottle, do not touch or contaminate the test area of the strips, and minimize the test strips' exposure to air.
4. Keep in a cool, dry, and dark location.
5. It is advisable to use the product as soon as possible after opening.
