AquaChek Yellow 4-Way Pool and Spa Test Strips - 50 Yellow Test Strips - Swimming Pool Test Strips For pH, Free Chlorine, Total Alkalinity, and Cyanuric Acid - Quick and Accurate Results - Testing Kit

Maintain a clean, safe pool or spa with AquaChek Chlorine 4-in-1 Test Strips—the fast, easy, and accurate way to test your water. This pool and spa water testing kit measures the four most important parameters for chlorine-treated water: Free Chlorine, pH, Total Alkalinity, and Stabilizer (Cyanuric Acid). No messy drops, complicated vials, or guesswork—just dip a strip, wait a few seconds, and compare the easy-to-read color results. The flip-top bottle dispenses one strip at a time to help keep the rest dry and protected. With 50 high-quality test strips per bottle, you get a season’s worth of reliable, trusted results from the brand professionals count on. Perfect for pool owners, spa users, and service pros who want quick and consistent water testing without the hassle.

FEATURES

• Fresh, Accurate Testing for the Pool Season Ahead - AquaChek Yellow Chlorine 4-in-1 includes 50 precision test strips—perfect for a full season of reliable water testing for pools and spas that use chlorine. No expired extras, no bulky packs—just fresh, accurate results from AquaChek, the most trusted brand in pool and spa water testing.
• Trusted 4-Way Testing for Cleaner, Safer Water - AquaChek Chlorine 4-in-1 strips test the four key parameters: Free Chlorine, pH, Total Alkalinity, and Stabilizer (Cyanuric Acid). Together, they help you keep your water safe, balanced, and crystal clear—while ensuring your chlorine works effectively. No guesswork, just confident pool care.
• Designed for Clean, Simple, No-Waste Use - No more fumbling or wasted test strips. AquaChek’s flip-top bottle dispenses one strip at a time, helping you keep the rest dry and protected. Designed for quick, clean, and convenient pool and spa water testing whenever you need it.
• Pro-Grade Accuracy Trusted by Pool Professionals - AquaChek delivers reliable, lab-validated results with every strip. Trusted by pool service pros, commercial facilities, and health departments, it helps you test with confidence—so you can treat your water precisely and avoid costly mistakes.