Description
Use tips:
1. Fill a small bottle with approximately 2.5 cm of pool / spa water.
2. Insert the lower end of the tape into the water sample. For exact results keep the upper half of the tape completely dry.
3. When the yellow band turns black, which usually occurs in 3 to 4 minutes, remove the tape from the water sample and determine where the highest white point (white peak) appears within the numerical scale of the tape proof. Compare that value with the table in the jar.
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