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
10 sold in last 24 hours
- 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.
Important information
Directions
Dip an AquaChek Yellow 4-Way test strip into your pool or spa water for one quick second and remove it immediately. Results appear within seconds—simply compare the bright, easy-to-read color pads to the chart on the bottle. For best results, test your pool water at both ends at least twice a week, and test your spa water before each use to maintain clear, safe water. Record your readings to track water balance over time. Each bottle includes a flat, flip-top dispenser that protects strips and makes testing quick and mess-free. Complete multilingual instructions included: English, French, Spanish, Italian, Czech, Danish, Dutch, German, Greek, Hungarian, Polish, Portuguese, Russian, Swedish, and Turkish.
Product Dimensions
3 x 1 x 1 inches; 1.41 ounces
| Main Specification | |
|---|---|
| Test type | ["alkalinity"] or ["free Chlorine"] or ["stabilizer (cyanuric Acid)"] or ["ph"]see More |
| Unit Count | 50.0 Count |
| Brand | Aquachek |
| Recommended Uses For Product | Swimming Pool Water Test Strips |
| Ph Range | [Manufacturer Specified] |
| Others | |
| Product Type | Chemical Test Strip |









