HTH™ Pool Care Chlorine Granules Ultra
Pool Chlorine Granules
HTH™ Pool Care Chlorine Granules Ultra
Pool Chlorine Granules
HTH™ Chlorine Granules Ultra is a pool chlorine granule that delivers powerful sanitation and clarity in one simple step.
- These fast-dissolving chlorine granules for pools use a cal hypo formula that won’t add extra cyanuric acid (CYA), helping prevent overstabilization, cloudy water, and chlorine lock.
- The all in one action kills bacteria and algae, clarifies and softens water, and helps prevent stain and scale—so your pool looks blue, bright, and inviting.
- Safe for all pool types, including vinyl-lined and saltwater systems, this granular chlorine keeps maintenance easy and reliable.
You're All Clear with HTH™!
Product Benefits
How to Use
How to Use
Why You Should Use This Product: This fast‑acting chlorine granule is an all‑in‑one sanitizer and shock treatment that kills bacteria and algae, softens and clarifies water, helps prevent stains and scale, and will not cause chlorine lock.
Before Use: Test pool water and adjust total alkalinity before adjusting pH levels.
Application Instructions
Use only a clean, dry scoop to measure this product. Use in a feeder or floater, or dissolve granules in a clean bucket of water and add evenly to the pool surface with the pump running. Never add water directly to this product.
Routine Chlorination
Use the following dosage recommendations based on pool size to maintain a chlorine residual of 1–4 ppm.
Routine Chlorination Dosage
| Pool Size (Gallons) | Unstabilized Pools | Stabilized Pools |
|---|---|---|
| 1,000 | 0.67 oz (1½ Tbsp) | 0.40 oz (2½ Tbsp) |
| 2,500 | 1.75 oz (3½ Tbsp) | 1.02 oz (2 Tbsp) |
| 5,000 | 3.5 oz | 2 oz |
| 10,000 | 7 oz | 4 oz |
| 15,000 | 10.5 oz | 6 oz |
Shock Treatment
As a preventative treatment or when pool water appears cloudy or dull, use the following dosage to shock the pool.
Shock Treatment Dosage
| Pool Size (Gallons) | Dosage (Ounces) |
|---|---|
| 1,000 | 1.2 oz |
| 2,000 | 2.4 oz |
| 5,000 | 6.0 oz |
| 10,000 | 12 oz |
| 15,000 | 18 oz |
How to Use
Why You Should Use This Product: This fast‑acting chlorine granule is a highly effective, multi‑purpose sanitizer and shock treatment. It kills bacteria and algae, restores water clarity, helps prevent stains and scale, and will not overstabilize pool water.
Before Use: Test pool water and adjust total alkalinity before adjusting pH levels.
Application Instructions
Use only a clean, dry scoop to measure this product. Do not use the scoop for any other purpose. Do not use this product in a feeder or floater.
Method for Dosing Directly Into Pool
Add the recommended dosage during evening hours while the filter pump is running. Slowly broadcast the product evenly over a wide area in the deepest part of the pool. If any granules settle on the pool bottom, brush to disperse until completely dissolved. Undissolved granules may cause bleaching or other damage to pool surfaces.
Test free available chlorine residual with a reliable test kit. Do not enter the pool until chlorine levels return to 1–4 ppm.
Routine Chlorination
Use the following dosage recommendations based on pool size to maintain a free available chlorine level of 1–4 ppm.
Routine Chlorination Dosage
| Pool Size (Gallons) | Unstabilized Pools | Stabilized Pools |
|---|---|---|
| 1,000 | 0.67 oz (1½ Tbsp) | 0.40 oz (2½ Tbsp) |
| 2,500 | 1.75 oz (3½ Tbsp) | 1.02 oz (2 Tbsp) |
| 5,000 | 3.5 oz | 2 oz |
| 10,000 | 7 oz | 4 oz |
| 15,000 | 10.5 oz | 6 oz |
Shock Treatment
As a preventative treatment or when pool water appears dull or cloudy, use the following dosage to shock treat the pool.
Shock Treatment Dosage
| Pool Size (Gallons) | Dosage (Ounces) |
|---|---|
| 1,000 | 1.2 oz |
| 2,000 | 2.4 oz |
| 5,000 | 6.0 oz |
| 10,000 | 12 oz |
| 15,000 | 18 oz |
How to Use
Why You Should Use This Product: This fast‑acting chlorine granule is a highly effective, all‑in‑one sanitizer and shock treatment. It kills bacteria and algae, softens and clarifies water, helps prevent stains and scale, and will not cause chlorine lock.
Before Use: Test pool water and adjust total alkalinity before adjusting pH levels.
Application Instructions
Use only a clean, dry scoop to measure this product. Do not use the scoop for any other purpose. Do not use this product in a feeder or floater.
Method for Dosing Directly Into Pool
Add the recommended dosage during evening hours while the filter pump is running. Slowly broadcast the product evenly over a wide area in the deepest part of the pool. If any granules settle on the pool floor, brush to disperse until completely dissolved.
Undissolved granules may cause bleaching or damage to pool surfaces.
Test free available chlorine using a pool test kit. Do not enter the pool until chlorine levels return to 1–4 ppm.
Routine Chlorination
Use the following dosage recommendations based on pool size to maintain a free available chlorine level of 1–4 ppm.
Routine Chlorination Dosage
| Pool Size (Gallons) | Unstabilized Pools | Stabilized Pools |
|---|---|---|
| 1,000 | 0.67 oz (1½ Tbsp) | 0.40 oz (2½ Tbsp) |
| 2,500 | 1.75 oz (3½ Tbsp) | 1.02 oz (2 Tbsp) |
| 5,000 | 3.5 oz | 2 oz |
| 10,000 | 7 oz | 4 oz |
| 15,000 | 10.5 oz | 6 oz |
Shock Treatment
As a preventative treatment or when pool water appears cloudy, use the following dosage to shock the pool.
Shock Treatment Dosage
| Pool Size (Gallons) | Dosage (Ounces) |
|---|---|
| 1,000 | 1.2 oz |
| 2,000 | 2.4 oz |
| 5,000 | 6.0 oz |
| 10,000 | 12 oz |
| 15,000 | 18 oz |
How to Use
Why You Should Use This Product: This fast‑acting chlorine granule is a highly effective, all‑in‑one sanitizer and shock treatment. It kills bacteria and algae, softens and clarifies water, helps prevent stains and scale, and will not cause chlorine lock.
Before Use: Test pool water and adjust total alkalinity before adjusting pH levels.
Application Instructions
Use only a clean, dry scoop to measure this product. Do not use the scoop for any other purpose. Do not use this product in a feeder or floater.
Method for Dosing Directly Into Pool
Add the recommended dosage during evening hours while the filter pump is running. Slowly broadcast the product evenly over a wide area in the deepest part of the pool. If any granules settle on the pool floor, brush to disperse until completely dissolved.
Undissolved granules may cause bleaching or damage to pool surfaces.
Test free available chlorine using a pool test kit. Do not enter the pool until chlorine levels return to 1–4 ppm.
Routine Chlorination
Use the following dosage recommendations based on pool size to maintain a free available chlorine level of 1–4 ppm.
Routine Chlorination Dosage
| Pool Size (Gallons) | Unstabilized Pools | Stabilized Pools |
|---|---|---|
| 1,000 | 0.67 oz (1½ Tbsp) | 0.40 oz (2½ Tbsp) |
| 2,500 | 1.75 oz (3½ Tbsp) | 1.02 oz (2 Tbsp) |
| 5,000 | 3.5 oz | 2 oz |
| 10,000 | 7 oz | 4 oz |
| 15,000 | 10.5 oz | 6 oz |
Shock Treatment
As a preventative treatment or when pool water appears cloudy, use the following dosage to shock the pool.
Shock Treatment Dosage
| Pool Size (Gallons) | Dosage (Ounces) |
|---|---|
| 1,000 | 1.2 oz |
| 2,000 | 2.4 oz |
| 5,000 | 6.0 oz |
| 10,000 | 12 oz |
| 15,000 | 18 oz |
Ingredients
Ingredients
Active Ingredient:
Calcium Hypochlorite: 56%
Other Ingredients: 44%
Total: 100%
Ingredients
Active Ingredient:
Calcium Hypochlorite: 56%
Other Ingredients: 44%
Total: 100%
Ingredients
Active Ingredient:
Calcium Hypochlorite: 56%
Other Ingredients: 44%
Total: 100%
Ingredients
Active Ingredient:
Calcium Hypochlorite: 56%
Other Ingredients: 44%
Total: 100%
Safety, Storage, and Disposal
Safety
Use this product only as directed. Avoid contact with eyes and skin, and avoid breathing dust.
Wear protective eyewear and gloves when handling, and wash hands thoroughly after use.
Mix only with water as directed. Do not mix with other chemicals.
For complete safety information, warnings, and first aid instructions, refer to the product label.
Storage and Disposal
Keep this product dry in its tightly closed container when not in use. Store in a cool, dry, well‑ventilated area away from heat or open flame.
Use entire contents when possible. Rinse empty container thoroughly with water prior to disposal.
For disposal of a contaminated or decomposing product, refer to the product label.
Safety
Use this product only as directed. Avoid contact with eyes and skin, and avoid breathing dust.
Wear protective eyewear and gloves when handling, and wash hands thoroughly after use.
Mix only with water as directed. Do not mix with other chemicals.
For complete safety information, warnings, and first aid instructions, refer to the product label.
Storage and Disposal
Keep this product dry in its tightly closed container when not in use. Store in a cool, dry, well‑ventilated area away from heat or open flame.
Rinse empty container thoroughly with water prior to disposal.
For disposal of a contaminated or decomposing product, refer to the product label.
Safety
Use this product only as directed. Avoid contact with eyes and skin, and avoid breathing dust.
Wear protective eyewear and gloves when handling, and wash hands thoroughly after use.
Mix only with water as directed. Do not mix with other chemicals.
For complete safety information, warnings, and first aid instructions, refer to the product label.
Storage and Disposal
Keep this product dry in its tightly closed container when not in use. Store in a cool, dry, well‑ventilated area away from heat or open flame.
Rinse empty container thoroughly with water prior to disposal.
For disposal of a contaminated or decomposing product, refer to the product label.
Safety
Use this product only as directed. Avoid contact with eyes and skin, and avoid breathing dust.
Wear protective eyewear and gloves when handling, and wash hands thoroughly after use.
Mix only with water as directed. Do not mix with other chemicals.
For complete safety information, warnings, and first aid instructions, refer to the product label.
Storage and Disposal
Keep this product dry in its tightly closed container when not in use. Store in a cool, dry, well‑ventilated area away from heat or open flame.
Rinse empty container thoroughly with water prior to disposal.
For disposal of a contaminated or decomposing product, refer to the product label.
Frequently Asked Questions
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What are HTH™ Chlorine Granules Ultra used for?
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How are chlorine granules different from chlorine tablets?
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How do I add chlorine granules to my pool?
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Do HTH™ Chlorine Granules Ultra contain cyanuric acid (CYA)?
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Can HTH™ Chlorine Granules Ultra be used for regular weekly maintenance and shocking?
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How do I dose HTH™ Chlorine Granules Ultra based on my pool size?
Reviews
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
