Hydrotools Pool and Spa Test Strips
Instantly test Free Chlorine, Ph, Alkalinity and Cyanuric Acid of your pool water. Test both sides of your pool twice a week!
Store strips inside the home, away from extreme heat or sunlight.
Avoid wet fingers inside the vial and close the vial tightly right after removing the strip.
In pools, immerse the strip to elbow depth and swirl 3 times to test the pool water.
In spas, turn off jets and immerse the strip to 6 below the water surface and swirl three times to measure results.
Remove strip with pads face up, shake once to remove excess water