Product Benefits
How to Use
How to Use
Why You Should Use This Product: This fast‑acting clarifier quickly clears dull, hazy, or cloudy pool water by helping tiny particles clump together so they can be easily removed by the filter. It improves filter efficiency and helps restore sparkling clear water.
Before Use: Test pool water and ensure proper water balance before treatment.
Treatment Instructions
This product is highly concentrated. Always mix thoroughly with pool water before adding to the pool.
Weekly Maintenance Treatment
- Dilute this product in a bucket of pool water.
- Pour most of the diluted solution evenly around all sides of the pool.
- Add the remaining solution directly to the skimmer.
- Run the filter for at least 8 hours.
- Vacuum the pool as needed to remove settled debris.
Add 2 fl oz of this product for each 10,000 gallons of pool water. Repeat treatment if needed.
Extremely Cloudy Water
Add 4 fl oz of this product for each 10,000 gallons of pool water. Repeat treatment if needed.
How to Use
Why You Should Use This Product: This fast‑acting clarifier quickly clears dull, hazy, or cloudy pool water by helping tiny particles clump together so they can be easily removed by the filter. It improves filter efficiency and helps restore sparkling clear water.
Before Use: Test pool water and ensure proper water balance before treatment.
Treatment Instructions
This product is highly concentrated. Always mix thoroughly with pool water before adding to the pool.
Weekly Maintenance Treatment
- Dilute this product in a bucket of pool water.
- Pour most of the diluted solution evenly around all sides of the pool.
- Add the remaining solution directly to the skimmer.
- Run the filter for at least 8 hours.
- Vacuum the pool as needed to remove settled debris.
Add 2 fl oz of this product for each 10,000 gallons of pool water. Repeat treatment if needed.
Extremely Cloudy Water
Add 4 fl oz of this product for each 10,000 gallons of pool water. Repeat treatment if needed.
Safety, Storage, and Disposal
Safety
Use this product only as directed. Avoid contact with eyes, skin, and clothing, and avoid breathing fumes.
Do not mix this product with other chemicals.
Wash hands thoroughly after handling.
For complete safety information, warnings, and first aid instructions, refer to the product label.
First Aid
If in eyes, rinse slowly and gently with water for 15–20 minutes and seek medical advice if irritation persists.
If on skin or clothing, rinse skin immediately with plenty of water and remove contaminated clothing.
Storage and Disposal
Keep product in its tightly closed container when not in use. Store out of reach of children and away from heat or open flame.
Use entire contents when possible. Triple rinse empty container and dispose in accordance with state and local regulations.
Do not reuse empty container.
For full storage, disposal, and emergency guidance, refer to the product label.
Safety
Use this product only as directed. Avoid contact with eyes, skin, and clothing, and avoid breathing fumes.
Do not mix this product with other chemicals.
Wash hands thoroughly after handling.
For complete safety information, warnings, and first aid instructions, refer to the product label.
First Aid
If in eyes, rinse slowly and gently with water for 15–20 minutes and seek medical advice if irritation persists.
If on skin or clothing, rinse skin immediately with plenty of water and remove contaminated clothing.
Storage and Disposal
Keep product in its tightly closed container when not in use. Store out of reach of children and away from heat or open flame.
Use entire contents when possible. Triple rinse empty container and dispose in accordance with state and local regulations.
Do not reuse empty container.
For full storage, disposal, and emergency guidance, refer to the product label.
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



