Product Benefits
How to Use
Testing Your Pool Water
Test your pool water using one of three methods:
- Mobile App: Download the HTH™ App and scan your test strip with your phone’s camera for digital results
- Text Support: Text “HELP” to 484-123 for personalized pool care support
- Color Chart: Compare your test strip to the color chart provided with the product
1. Dip Test Strip in Water
You’ll see results on the colored strip in seconds. Dip one test strip into pool water for 2 seconds, wrist deep, away from jets or return lines. Remove with pads facing up. Do not shake off excess water. Hold strip level for 20 seconds
2. Get Personalized Results
Download the HTH™ Test to Swim app, compare your strip to the side of the bottle or text a photo to 484-123. We’ll give you personalized instructions in seconds.
3. Adjust Chemicals as Needed
Use your personalized results to balance the chemicals in your swimming pool water.
4. Test & Balance Weekly
Repeat this process weekly to keep your swimming pool water beautifully clean, clear and healthy.
Testing Your Pool Water
Test your pool water using one of three methods:
- Mobile App: Download the HTH™ App and scan your test strip with your phone’s camera for digital results
- Text Support: Text “HELP” to 484-123 for personalized pool care support
- Color Chart: Compare your test strip to the color chart provided with the product
1. Dip Test Strip in Water
You’ll see results on the colored strip in seconds. Dip one test strip into pool water for 2 seconds, wrist deep, away from jets or return lines. Remove with pads facing up. Do not shake off excess water. Hold strip level for 20 seconds
2. Get Personalized Results
Download the HTH™ Test to Swim app, compare your strip to the side of the bottle or text a photo to 484-123. We’ll give you personalized instructions in seconds.
3. Adjust Chemicals as Needed
Use your personalized results to balance the chemicals in your swimming pool water.
4. Test & Balance Weekly
Repeat this process weekly to keep your swimming pool water beautifully clean, clear and healthy.
Ingredients
This is a water testing product consisting of test strips with chemical reagents that react to pool water chemistry. The strips are designed to measure: - Free Available Chlorine - Bromine - pH - Total Alkalinity - Total Hardness - Cyanuric Acid (CYA)
Safety, Storage, and Disposal
Storage
- Keep test strips in their original container with lid tightly closed
- Store in a cool, dry place away from direct sunlight
- Keep away from pool chemicals and cleaning products
- Use only as directed
Disposal
- Dispose of used test strips in household trash
- Do not flush test strips down the toilet
- Recycle empty container where facilities exist
Storage
- Keep test strips in their original container with lid tightly closed
- Store in a cool, dry place away from direct sunlight
- Keep away from pool chemicals and cleaning products
- Keep out of reach of children
Disposal
- Dispose of used test strips in household trash
- Do not flush test strips down the toilet
- Recycle empty container where facilities exist
Reviews
Block Chlorine Lock with Cal Hypo
Discover how Cal Hypo pool chlorine works without CYA to prevent chlorine lock and keep pool water clear, balanced, and safe for swimmers.
Simplified Pool and Spa Care with HTH™ Test to Swim
Simplify pool and spa water testing with the HTH™ Test to Swim™ App. Scan your test strip, get instant results, and receive personalized pool care recommendations.
Transform Your Pool with Brilliance™
Looking for clearer pool water? Discover how HTH™ Brilliance Cal Hypo Chlorine Tablets improve water clarity and prevent chlorine lock.
Quick Pool Tips

Always read product label directions prior to using and use only as directed

Always add chemicals to pool water, never the other way around

Never add chemicals to pool water when people are in the pool

Never mix products together

Always store pool products in a cool, dry location and out of direct sunlight



