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

Highlights

• Fresh, Accurate Testing with a Full-Season Guarantee – Includes 50 AquaChek Yellow 4-Way test strips for reliable, lab-verified results all season long. Guaranteed fresh through expiration. Ideal for pools, spas, and hot tubs—test chlorine, pH, alkalinity, and stabilizer with confidence.
• 4-Way Precision with Brightest, Easy-to-Read Color Pads – Tests Free Chlorine, pH, Total Alkalinity, and Cyanuric Acid (stabilizer) with vibrant, high-contrast pads that make results easy to match. Built with premium materials—pads stay intact and never fall off like cheaper alternatives.
• Trusted by Pool Pros for Over 25 Years – AquaChek is the original name in pool water testing—relied on by service professionals, commercial facilities, and health departments for over 25 years. Get lab-verified results you can trust with every dip.
• Flat, Easy-to-Read Bottle with Mess-Free Dispenser – Our unique flat bottle design makes color comparison easier and more accurate than round bottles. Flip-top dispenser lets you grab one strip at a time while keeping the rest dry—perfect for daily pool or spa testing.
• Made in the USA with Proven AquaChek Quality – Proudly manufactured and lab-tested in the USA, AquaChek sets the standard for water test strip reliability. Our durable, no-bleed pads deliver consistent results—and our 25+ years of innovation means you can test with total confidence.