50-Pack Pool & Spa pH Chlorine Test Strips – 3-in-1 Water Tester

Keep your pool, spa, or hot tub water safe and crystal clear with these 3-in-1 Water Test Strips. Each strip measures Free Chlorine, pH, and Total Hardness in just 15 seconds — no complicated equipment needed. Simply dip, wait, and compare. Perfect for everyday pool maintenance and peace of mind.

Made in Mainland China.

Why You'll Love These Test Strips

• 3-in-1 Testing: Measures Free Chlorine (0–10 ppm), pH (6.8–8.4), and Total Hardness (0–240 ppm) in a single dip.
• Results in 15 Seconds: Dip a strip for 2 seconds, remove, wait 15 seconds, and match colors to the easy-read chart on the bottle.
• Protect Your Health: Unbalanced pool water can irritate eyes, skin, and swimwear. These strips help you catch problems before they start.
• 50 Strips Per Bottle: Plenty for a full season of regular testing for pools, spas, hot tubs, and Jacuzzis.
• Compact & Portable: Slim bottle fits in your pool bag, so you can test wherever you swim.
• No Mess, No Fuss: No liquid reagents, droppers, or complicated color matching — just a simple strip.

Specifications

• Type: 3-in-1 Test Paper Strips
• pH Range: 6.8 – 8.4
• Residual Chlorine Range: 0 – 10 ppm
• Total Hardness Range: 0 – 240 ppm
• Quantity: 50 Strips per bottle
• Suitable For: Swimming pools, spas, hot tubs, Jacuzzis

How to Use

1. Dip one test strip into your pool or spa water for 2 seconds.
2. Remove the strip and hold it horizontally for 15 seconds (do not shake off water).
3. Compare each color panel on the strip to the color chart on the bottle label.
4. Read your results for Chlorine, pH, and Total Hardness.
5. Adjust your pool chemicals as needed to maintain healthy, balanced water.

What's in the Box

• 50 × 3-in-1 Water Test Strips

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Learn More About Safe Pool Water

Maintaining proper pool chemistry is essential for swimmer health. Learn about healthy pool and recreational water standards from the CDC Healthy Swimming resource.

Frequently Asked Questions

Q: What does this pool test strip measure?

A: Each strip tests three key water quality parameters: Free Chlorine (0–10 ppm), pH level (6.8–8.4), and Total Hardness (0–240 ppm). Monitoring all three helps ensure your pool or spa water is safe, comfortable, and properly balanced.

Q: How accurate are these test strips?

A: These strips provide quick, reliable results for everyday pool maintenance. Results may have a small variance of approximately 2–3%, which is typical for colorimetric test strips. For professional-grade precision, results can be cross-checked with a digital water tester periodically.

Q: Can I use these strips in a hot tub or spa as well as a swimming pool?

A: Yes! These 3-in-1 test strips are suitable for swimming pools, spas, hot tubs, and Jacuzzis. The same water chemistry principles apply to all of these, making these strips a versatile testing solution for any body of recreational water.

Q: How often should I test my pool water with these strips?

A: For optimal water quality, it is recommended to test your pool or spa water at least 2–3 times per week during peak swim season, and after heavy use, rain, or adding new chemicals. With 50 strips in each bottle, you have plenty for a full season of regular testing.

Q: How should I store these test strips?

A: Store the strips in their original bottle with the cap tightly closed, away from direct sunlight, heat, and moisture. Proper storage helps maintain the accuracy of the strips throughout their shelf life.