Get test result in seconds! Quickly test your pool's chlorine, pH, alkalinity, and stabilizer levels with AquaChek's 15 Second Stabilized Pool & Spa Free Chlorine Test Strips. Simply dip a test strip into your pool water, wait a few seconds, and match the colour change using the included chart to get accurate free chlorine, pH, alkalinity, and cyanuric acid readings.

Ideal for customers who use chlorine as the sanitizer in their pool or spa. Includes a test for Cyanuric Acid (Stabilizer), which is especially important for outdoor pools and spas which are subject to chlorine dissipation from UV rays.

Get 4 important test results in just one dip! Just dip an AquaChek Yellow strip in your pool or spa water for one second and remove it immediately. You get test results in seconds! Free Chlorine, pH, Total Alkalinity and Cyanuric Acid (Stabilizer).

To keep you pool water clean and healthy, test the water at two ends or sides of the pool a minimum of twice a week! If used in a spa we recommend testing it before and after each use. It’s also a good idea to write down your results each time you test.

User friendly easy-grip bottle with flip-top strip dispenser cap. Includes water chemistry insert and directions in 15 languages: English, French, Spanish, Italian, Czech, Danish, Dutch, German, Greek, Hungarian, Polish, Portuguese, Russian, Swedish and Turkish.

Includes 50 strips per bottle.