50Pcs 4 in 1 Portable Swimming Pool Test Strip Kit for Hardness, Chlorine, PH, Alkalinity

• A box of 50 test sticks for testing multiple data

• For testing the water quality of swimming pools or spas

• Easy to use and carry

Specification:

• Storage method: dry

• Suitable for: swimming pool or spa

• Reminder: Use at room temperature

Instructions:

• 1. Immerse the test strip in water for 2 seconds.

• 2. Stay in the air for about 15 seconds.

• 3. Compare the test strip with the bottle.