Features:
Made of PET and other materials, it is safe, environmentally friendly and pollution-free.
Versatile for the ultimate home pool testing area for pools and spas.
Simple to use, dip the test strip in water for 2 seconds, then remove. Wait 15 seconds for the test strip to change color. Match the color of the strips to the color chart to achieve the effect.
It is widely recommended to check the water quality on a weekly basis before adding any chemicals.
It can be used to establish at least one maintenance program per week.

Storage conditions and validity period:
1 Storage conditions: Store in a dry place at 2°C to 30°C and avoid light (preferably at 2°C to 8°C).
2 Product validity period: 12 months when stored in a dry place at 2°C to 30°C and protected from light.
3 Expiry date after opening the bottle: After opening, the cap needs to be sealed and stored in a dry place at 2°C to 30°C away from light. The validity period is 6 months.
Testing method:
1. Immerse the reaction area of the test strip in the solution to be tested for 1-2 seconds, take out the test strip, and slide the edge of the test strip along the mouth wall of the solution container to remove excess water on it.
2. Within 1 minute, compare the reaction area of the test strip with the color of the color card to determine the test value of the solution to be tested.
3. The colorimetric time is best controlled at 30s, too long or too short will affect the reading.

Specification:
Material: PET
Size: 4.33*1.77in/11.0*4.5cm
Color: as picture shown

Package Includes: 1pc

Notes:
Please allow minor errors due to manual measurement.
The colors may be a little difference for the different monitor display.