AquaChek Yellow 511242 4-in-1 Pool & Spa Test Strips - Chlorine & pH 50ct

Fast & Reliable Water Testing for Your Pool or Spa

Maintaining a safe and sparkling pool has never been easier. The AquaChek Yellow 4-in-1 Test Strips are the gold standard for owners of chlorine-based systems. Forget the hassle of messy liquid drops and complicated vials—simply dip a strip, wait 15 seconds, and get professional-grade accuracy instantly. It’s the fastest way to ensure your water is balanced, healthy, and ready for a swim.

💰 BUNDLE & SAVE! Stock up for the season! Buy 2 or more bottles and save 10%. Keeping an extra bottle on hand ensures you never skip a weekly test during the peak summer heat.

🚩 PRO TIP For the most accurate results, always dip the strip at least 6 inches below the water surface, away from return jets. This ensures you are testing the main body of water and not just the surface tension.

PRODUCT FEATURES

• 4-in-1 Testing: Measures Free Chlorine, pH, Total Alkalinity, and Cyanuric Acid (Stabilizer) in one go.
• Rapid Results: Get a clear reading in just 15 seconds.
• Easy-Read Color Chart: High-contrast color pads make it simple to match your results to the guide on the bottle.
• Flip-Top Cap: The moisture-wicking bottle design keeps your strips fresh and dry for a longer shelf life.
• Versatile Use: Ideal for all chlorine-sanitized swimming pools, hot tubs, and spas.

TECHNICAL SPECIFICATIONS

• Brand: AquaChek (Hach)
• Product Number: 511242
• Quantity: 50 Test Strips per bottle
• Parameters: Free Chlorine (0–10 ppm), pH (6.2–8.4), Total Alkalinity (0–240 ppm), Cyanuric Acid (0–300 ppm)
• Storage: Store in a cool, dry place.

WHY SHOP WITH AL'S COOL POOL STORE?

At Al's Cool Pool Store, we don't just sell products; we provide peace of mind. We are dedicated to providing the highest quality water care solutions with fast, reliable shipping and expert support.

• Expert Support: Have a question about your chemistry? Our team is here to help you get your pool back to crystal clear.
• Fast Shipping: Most orders ship same-day or next-day to get you back in the water faster.
• Authorized Dealer: Shop with confidence knowing we are an authorized dealer for industry leaders like Loop-Loc, Hayward, and King Technology, ensuring you receive genuine parts and full manufacturer warranties.