Pool Chemicals > Pool Water Test Kits & Testing Supplies

In The Swim 4-IN-1 Swimming Pool and Spa Test Strips

Quickly and accurately test your pool or spa with In the Swim 4-IN-1 Test Strips. Simply dip a test strip in the water, and in 15 seconds, you'll have accurate readings for free chlorine, pH, total alkalinity and stabilizer. Each bottle contains 50...

Only $7.49