HTH™ Pool Care 3" Chlor Tabs
Individually Wrapped Chlorine Tablets
HTH™ Pool Care 3" Chlor Tabs
Individually Wrapped Chlorine Tablets
HTH™ 3 Inch Chlorine Tablets are slow-dissolving, UV-stabilized chlorine tablets built for in-ground and larger pools.
- Each tablet lasts 5-7 days and treats up to 10,000 gallons
- Maintains free chlorine at 1-4 ppm
- Built-in UV stabilizer (trichlor) protects chlorine from sunlight
- Start with 1 tablet per 10,000 gallons per week
- Use in floater, feeder, or skimmer basket only. Never place on liners
- Compatible with vinyl-lined and saltwater pools
Product Benefits
How to Use
How to Use
Why You Should Use This Product: This multi‑functional chlorine tablet sanitizes pool water, helps prevent algae, and includes added clarifier to keep water clear. One tablet treats up to 10,000 gallons.
Before Use: Test pool water and ensure proper water balance. Read all directions before application.
Application Instructions
- Place this product in an automatic feeder, floating dispenser, or skimmer basket designed for chlorine tablets.
- If using a skimmer, ensure it is clean and free of residue from other water treatment products.
- Run the pool pump a minimum of eight hours daily while this product is in use.
- Maintain a free available chlorine level of 1–4 ppm using a pool test kit or test strips.
Routine Chlorination
Add one tablet per 10,000 gallons of pool water each week, or as needed, to maintain the proper chlorine residual.
Important: Do not use this product in feeders or floaters that have been used with other chlorinating products. Do not throw tablets directly into the pool. Do not allow tablets to contact vinyl pool linings or metal objects.
How to Use
Why You Should Use This Product: These chlorine tablets dissolve slowly to provide a steady source of chlorine that helps sanitize pool water, kill bacteria, and control algae.
Application Instructions
- Place this product in an automatic chlorine feeder, floating dispenser designed for this product, or in the skimmer basket.
- Do not allow this product to get damp or wet before use.
- Do not allow this product to contact other water treatment products.
- If placed in the skimmer, run the pool pump a minimum of eight hours daily.
- Make sure the skimmer is completely clean and free of residue from other water treatment products before adding tablets.
Do not use this product in feeders or floaters that have been used with other chlorinating products.
Do not use with any other tablets or sticks in the same skimmer, floater, or feeder.
Do not permit tablets to contact plastic pool linings or metal objects.
Do not throw tablets directly into the pool.
Routine Chlorination
Add one tablet per 10,000 gallons of pool water every week, or as often as needed, to maintain a free available chlorine level of 1–4 ppm.
How to Use
Why You Should Use This Product: These chlorine tablets are formulated to protect against chlorine loss from direct sunlight and can be used in floaters, feeders, or skimmers. The tablets dissolve slowly to provide a steady source of chlorine for continuous sanitization.
Before Use: Test pool water and adjust water balance as needed before adding this product.
Application Instructions
- Place this product in an automatic chlorine feeder, floating dispenser designed for this product, or in the skimmer basket.
- Do not allow this product to get damp or wet before use.
- Do not allow this product to contact other water treatment products.
- If placed in the skimmer, run the pool pump a minimum of eight hours daily.
- Ensure the skimmer is completely clean and free of residue from other water treatment products before adding tablets.
Routine Chlorination
Add one tablet per 10,000 gallons of pool water every week, or as often as needed, to maintain a free available chlorine level of 1–4 ppm.
Important Use Instructions: Do not use this product in feeders or floaters that have been used with other chlorinating products. Do not use with any other tablets or sticks in the same skimmer, floater, or feeder. Do not allow tablets to contact plastic pool linings or metal objects. Do not throw tablets directly into the pool.
How to Use
Why You Should Use This Product: These chlorine tablets are formulated to help protect against chlorine loss from direct sunlight. The tablets dissolve slowly to provide a steady source of chlorine to sanitize pool water and support consistent swimming enjoyment.
Before Use: Test pool water and adjust water balance as needed before adding this product.
Application Instructions
- Place this product in an automatic chlorine feeder, floating dispenser designed for this product, or in the skimmer basket.
- Do not allow this product to get damp or wet before use.
- Do not allow this product to contact other water treatment products.
- If placed in the skimmer, run the pool pump a minimum of eight hours daily.
- Make sure the skimmer is completely clean and free of residue from other water treatment products before adding tablets.
Do not use this product in feeders or floaters that have been used with other chlorinating products.
Do not use with any other tablets or sticks in the same skimmer, floater, or feeder.
Do not permit tablets to contact plastic pool linings or metal objects.
Do not throw tablets directly into the pool.
Routine Chlorination
Add one tablet per 10,000 gallons of pool water every week, or as often as needed, to maintain a free available chlorine level of 1–4 ppm.
Shock Treatment
To help maintain clear water and remove organic material, shock treat the pool weekly or as needed using a compatible pool shock product. Follow shock product directions and do not enter the pool until chlorine levels return to 1–4 ppm.
How to Use
Why You Should Use This Product: These chlorine tablets are formulated to help protect against chlorine loss from direct sunlight. The tablets dissolve slowly to provide a steady source of chlorine to sanitize pool water and support consistent swimming enjoyment.
Before Use: Test pool water and adjust water balance as needed before adding this product.
Application Instructions
- Place this product in an automatic chlorine feeder, floating dispenser designed for this product, or in the skimmer basket.
- Do not allow this product to get damp or wet before use.
- Do not allow this product to contact other water treatment products.
- If placed in the skimmer, run the pool pump a minimum of eight hours daily.
- Make sure the skimmer is completely clean and free of residue from other water treatment products before adding tablets.
Do not use this product in feeders or floaters that have been used with other chlorinating products.
Do not use with any other tablets or sticks in the same skimmer, floater, or feeder.
Do not permit tablets to contact plastic pool linings or metal objects.
Do not throw tablets directly into the pool.
Routine Chlorination
Add one tablet per 10,000 gallons of pool water every week, or as often as needed, to maintain a free available chlorine level of 1–4 ppm.
Shock Treatment
To help maintain clear water and remove organic material, shock treat the pool weekly or as needed using a compatible pool shock product. Follow shock product directions and do not enter the pool until chlorine levels return to 1–4 ppm.
Ingredients
Ingredients
Active Ingredients:
Trichloro‑s‑Triazinetrione: 93.5%
Zinc sulfate monohydrate: 3.5%
Other Ingredients: 3.0%
Total: 100.0%
Ingredients
Active Ingredient:
Trichloro-s-Triazinetrione: 99%
Other Ingredients: 1%
Total: 100%
Ingredients
Active Ingredient:
Trichloro-s-Triazinetrione: 99%
Other Ingredients: 1%
Total: 100%
Ingredients
Active Ingredient:
Trichloro-s-Triazinetrione: 99%
Other Ingredients: 1%
Total: 100%
Ingredients
Active Ingredient:
Trichloro-s-Triazinetrione: 99%
Other Ingredients: 1%
Total: 100%
Safety, Storage, and Disposal
Safety
Use this product only as directed. Avoid contact with eyes, skin, and clothing, and avoid breathing dust.
Wear protective eyewear and gloves when handling, and wash hands thoroughly after use.
Do not mix this product with other chemicals.
For complete safety information, warnings, and first aid instructions, always refer to the product label.
First Aid
If the product comes into contact with eyes or skin, rinse gently with water for 15–20 minutes and seek medical advice if irritation persists.
If swallowed or inhaled, contact a poison control center or medical professional immediately.
In case of emergency, call 1‑800‑654‑6911 and have the product container or label available.
Storage and Disposal
Keep product dry and store in its original, tightly closed container in a cool, well‑ventilated area away from heat or open flame.
Use entire contents, then triple rinse and dispose of the container in accordance with state and local regulations.
Do not reuse empty container.
For full storage, disposal, and emergency handling instructions, refer to the product label.
Safety
Use this product only as directed. Avoid contact with eyes, skin, and clothing, and avoid breathing dust.
Wear protective eyewear and gloves when handling, and wash hands thoroughly after use.
Do not mix this product with other chemicals.
For complete safety information, warnings, and first aid instructions, refer to the product label.
First Aid
If the product comes into contact with eyes or skin, rinse gently with water for 15–20 minutes and seek medical advice if irritation persists.
If swallowed or inhaled, contact a poison control center or medical professional immediately.
Storage and Disposal
Keep this product dry and store it in its original, tightly closed container in a cool, well-ventilated area away from heat or open flame.
Use entire contents, then triple rinse and dispose of the container in accordance with state and local regulations.
Do not reuse empty container.
For full storage, disposal, and emergency handling instructions, refer to the product label.
Safety
Use this product only as directed. Avoid contact with eyes, skin, and clothing, and avoid breathing dust.
Wear protective eyewear and gloves when handling, and wash hands thoroughly with soap and water after use.
Do not mix this product with other chemicals.
For complete safety information, warnings, and first aid instructions, refer to the product label.
First Aid
If the product comes into contact with eyes or skin, rinse gently with water for 15–20 minutes and seek medical advice if irritation persists.
If swallowed or inhaled, contact a poison control center or medical professional immediately.
Storage and Disposal
Keep this product dry and store it in its original, tightly closed container in a cool, well‑ventilated area away from heat or open flame.
Use entire contents, then triple rinse and dispose of the container in accordance with state and local regulations.
Do not reuse empty container.
For full storage, disposal, and emergency handling instructions, refer to the product label.
Safety
Use this product only as directed. Avoid contact with eyes, skin, and clothing, and avoid breathing dust.
Wear protective eyewear and gloves when handling, and wash hands thoroughly after use.
Do not mix this product with other chemicals.
For complete safety information, warnings, and first aid instructions, refer to the product label.
First Aid
If the product comes into contact with eyes or skin, rinse gently with water for 15–20 minutes and seek medical advice if irritation persists.
If swallowed or inhaled, contact a poison control center or medical professional immediately.
Storage and Disposal
Keep this product dry and store it in its original, tightly closed container in a cool, well-ventilated area away from heat or open flame.
Use entire contents, then triple rinse and dispose of the container in accordance with state and local regulations.
Do not reuse empty container.
For full storage, disposal, and emergency handling instructions, refer to the product label.
Safety
Use this product only as directed. Avoid contact with eyes, skin, and clothing, and avoid breathing dust.
Wear protective eyewear and gloves when handling, and wash hands thoroughly after use.
Do not mix this product with other chemicals.
For complete safety information, warnings, and first aid instructions, refer to the product label.
First Aid
If the product comes into contact with eyes or skin, rinse gently with water for 15–20 minutes and seek medical advice if irritation persists.
If swallowed or inhaled, contact a poison control center or medical professional immediately.
Storage and Disposal
Keep this product dry and store it in its original, tightly closed container in a cool, well-ventilated area away from heat or open flame.
Use entire contents, then triple rinse and dispose of the container in accordance with state and local regulations.
Do not reuse empty container.
For full storage, disposal, and emergency handling instructions, refer to the product label.
Frequently Asked Questions
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What are 3-inch chlorine tablets used for?
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How many 3-inch chlorine tablets should I use per week?
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Why is my chlorine level still low when I am using tablets?
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Do 3-inch Chlorine Tablets contain stabilizer (CYA)?
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Are 3-inch Chlorine Tablets safe for vinyl liner pools?
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Can I break a 3-inch chlorine tablet in half to use less?
Reviews
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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
