Aqua Chek Yellow Test Strips offer a quick and easy way to monitor your spa’s Free Chlorine, Cyanuric Acid, pH, and Total Alkalinity levels. With 50 strips per bottle, simply dip a strip in the water for one second and get instant results. To maintain optimal spa conditions, test twice a week and before each use. Recording your results helps track changes and adjust your maintenance routine accordingly.  Chlorine Strips are easy to use.

Tests for Free Chlorine, Cyanuric Acid, pH and Total Alkalinity – 50 strips per bottle

Just dip an AquaChek Yellow strip in your spa water for one second and remove it immediately. You get test results in seconds! To keep your spa at its best, test at each end at least twice a week, and test your spa before each use. It’s also a good idea to write down your results each time you test, so you can track changes.

Comes with complete instructions in 15 languages: English, French, Spanish, Italian, Czech, Danish, Dutch, German, Greek, Hungarian, Polish, Portuguese, Russian, Swedish and Turkish.

Also available:
• Aqua Chek Bromine Test Strips (individual) 
• Aqua Chek Monopersulfate Test Strips
• Aqua Chek Select Test Strips
• Aqua Chek Select Refill Test Strips
• Aqua Chek Salt Test Strips
• Aqua Chek Pro 5-in-1 Test Strips
• NEW Aqua Chek SPA 6-in-1 Test Strips

TruTest Digital System:
• AquaChek TruTest Digital Reader
• AquaChek TruTest Test Strips