AquaChek Yellow 4-Way Test Strips for Pool & Spa – 50 Count – Lab Verified Accuracy for pH, Chlorine, Alkalinity & Cyanuric Acid – Fast Results – Made in USA - (2-Pack)

Highlights

• Fresh, Accurate Testing All Season Long – Includes 50 AquaChek Yellow 4-Way test strips for reliable, lab-verified results throughout the pool and spa season. No expired extras or waste—just fresh, effective strips every time.
• 4-in-1 Lab Verified Results – Tests the four essential water quality factors: Free Chlorine, pH, Total Alkalinity, and Cyanuric Acid (Stabilizer). Maintain crystal-clear, safe water and ensure your chlorine works its best.
• Trusted by Professionals Nationwide – Used by pool service pros, commercial facilities, and health departments for its precision and consistency. Take the guesswork out of pool maintenance with pro-grade accuracy.
• Clean, Simple Strip Dispensing – The flip-top bottle dispenses one strip at a time to keep the rest protected. No mess, no waste—just easy, quick water testing whenever you need it.
• Made in the USA with Quality You Can Trust – Proudly manufactured and lab-tested in the USA for superior performance and peace of mind.