HACH

Hach AquaChek 4-in-1 Pool & Spa Test Strips – Accurate Water Testing Made Easy

Regular price $12.95

Reliable Pool & Spa Water Testing in Seconds
Keeping your pool or spa water clean, clear, and perfectly balanced doesn’t have to be complicated. With Hach AquaChek 4-in-1 Test Strips, you can test the four most critical water parameters in just a few seconds, ensuring your pool is safe, healthy, and ready for swimming. Designed specifically for chlorine-treated pools and spas, these strips take the guesswork out of water care, giving you quick, accurate results without the hassle of complex liquid kits.

Whether you’re a homeowner managing your backyard pool, a spa owner wanting to keep water soothing and comfortable, or a professional pool operator maintaining commercial water systems, AquaChek is the trusted name in pool and spa testing.


Why Choose AquaChek 4-in-1 Test Strips?

Water quality is everything when it comes to pools and spas. Poorly balanced water not only shortens the lifespan of your equipment but can also cause skin irritation, eye discomfort, and cloudy, uninviting water. The Hach AquaChek 4-in-1 is engineered to simplify this process by measuring the four most important parameters:

  • Free Chlorine – Confirms sanitizing power is strong enough to kill bacteria and algae.

  • pH Levels – Ensures water is comfortable for swimmers and protects equipment.

  • Total Alkalinity – Stabilizes pH to prevent spikes and imbalances.

  • Cyanuric Acid (Stabilizer) – Monitors chlorine protection against sunlight breakdown.

By testing all four in a single strip, you save time, reduce costs, and eliminate confusion.


Easy, Fast & Accurate Testing

  1. Dip & Remove – Simply dip the strip into your pool or spa water for just 1 second.

  2. Wait 15 Seconds – Allow the strip to react and develop.

  3. Compare Colors – Match the strip against the easy-to-read color chart on the bottle.

That’s it. No messy reagents, no drop counting, and no special equipment. Just fast, reliable results you can trust.


The AquaChek Advantage

Hach, a global leader in water quality testing, designed AquaChek for pool and spa owners who demand accuracy without complication. Each bottle contains high-quality test strips that are:

  • Precision-Made – Manufactured under strict quality standards to ensure consistent results.

  • Moisture-Protected – Each bottle includes a desiccant liner to keep strips fresh.

  • Convenient & Portable – Small, lightweight, and perfect for at-home or professional use.

  • Trusted Worldwide – Used by residential pool owners, hotels, health clubs, and service professionals across the globe.


Extend the Life of Your Pool & Equipment

Consistently balanced water protects your pool plaster, liners, heaters, and pumps from damage. Low pH can corrode metal parts, while high alkalinity can leave behind stubborn scale. Chlorine levels that are too low invite algae growth, while too high can irritate skin. With AquaChek 4-in-1, you’ll catch imbalances early, saving money on repairs, chemical overuse, and unnecessary clean-ups.


Perfect for Chlorine Pools & Spas

The Hach AquaChek 4-in-1 is specifically designed for pools and spas that use chlorine as their sanitizer. If you’re using bromine, saltwater chlorinators, or other sanitizing methods, Hach offers specialized test strips—but for traditional chlorine systems, this is the go-to choice.


Directions for Best Results

  • Test your pool or spa at least 2–3 times per week during the swimming season.

  • Always test before adding chemicals to avoid overdosing.

  • Store test strips in a cool, dry place with the cap tightly sealed.

  • Avoid touching the pads with wet fingers to prevent contamination.

By following these simple steps, you’ll get the most accurate readings and keep your water consistently safe.


Key Features

  • Tests Free Chlorine, pH, Total Alkalinity, and Cyanuric Acid in one strip

  • Delivers results in 15 seconds

  • Easy-to-read color chart included on the bottle

  • Trusted brand: Hach AquaChek

  • Helps prevent costly damage to equipment and surfaces

  • Ensures water is safe, comfortable, and crystal clear

  • Perfect for both residential and commercial pools or spas


FAQ – Hach AquaChek 4-in-1 Test Strips

Q: How often should I test my pool or spa water?
A: For best results, test 2–3 times per week during swimming season and before adding chemicals.

Q: Can I use these strips with a saltwater pool?
A: No, these are specifically for chlorine-treated pools and spas. For saltwater systems, AquaChek offers a Salt Test Strip.

Q: Are the results as accurate as liquid test kits?
A: Yes, AquaChek strips are manufactured to strict standards and provide reliable, consistent results when used properly.

Q: How should I store my AquaChek strips?
A: Keep them in the original bottle, tightly sealed, away from heat, moisture, and direct sunlight.

Q: How many strips come in a bottle?
A: Each standard bottle includes 50 test strips, providing weeks of reliable testing.

Regular price $12.95
Checking local availability
Available for pickup & shipping at {{ store }}
Available for pickup & shipping at {{ store }}
Out of stock at {{ store }}
Choose a store to see local availability