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$113.99 ($0.47/Ounce)
Get it May 14 - 16
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From the brand
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Whether you're an engineer, technical director an owner or operator of a pool or spa, we can help you improve your operational efficiency, achieve your sustainability goals, and maintain the cleanliness and health of your water.
That’s exactly what we’ve been doing since our founding more than 100 years ago. Today, we're a leading specialty chemical supplier and water treatment company with a truly global footprint.
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HTH Pool and Spa Care
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Leisure Time products
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From the manufacturer
Sanitize Pool Weekly for Clear and Clean Water
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Kills Algae and BacteriaAlgae can turn pool water green. HTH Super 3" Chlorinating Tablets destroy algae and bacteria to keep the water looking blue. |
1 Tablet Works for up to 1 WeekThese easy-to-use chlorine tablets dissolve slowly and effectively to sanitize your pool. One tablet keeps working for up to one week per 10,000 gallons. |
Formulated to Prevent Chlorine LossHTH Super 3" Chlorinating Tablets are formulated with cyanuric acid (CYA) to help protect against chlorine loss, and they contain built-in algae protection and clarifier. |
How to Use HTH Super 3 inch Chlorinating Tablets
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1. Test and Balance pH LevelsFirst, make sure the pH of the water is balanced. If the pH is too high or too low, the chlorine sanitizer won’t work as effectively. The ideal pH range is between 7.2 and 7.8. |
2. Proper Sanitization Requires CirculationHTH Super 3" Chlorinating Tablets release chlorine slowly. Run your pump at least 8 hours per day (or night) to ensure your water is properly sanitized. |
3. Apply to Feeder, Floater or SkimmerPlace one tablet in pool feeder, floater or skimmer per 10,000 gallons of water every week or as often as needed to maintain a chlorine residual of 1-4 ppm. Do not add directly to the pool as this can cause damage to pool surfaces. |
Frequently Asked Questions
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Many factors work against the cleanliness of your pool. Sunlight breaks down the chlorine, causing the water to lose up to 5 ppm of chlorine in one sunny afternoon. Swimmers unintentionally release bacteria and contaminants like sweat, makeup and sunscreen. And storms can bring dust, pollen, leaves and algae spores. Shocking is one of the best ways to protect your pool water and keep it crystal clear. |
In ideal circumstances, shocking your pool once a week will keep it looking clean and clear, but heavy rainfall, signs of algae, heavy use or long periods of sunny weather may require more frequent treatment. Sundown is the best time to shock your pool, so the chlorine can work to restore water clarity without the sun’s harsh ultraviolet rays. Brush the pool floor and walls to help expose settled contaminants to the chlorine. |
First, brush the floor and walls of your pool to loosen the algae and break down the cells’ outer membrane to allow the chemicals to penetrate. Next, shock the pool with an HTH shock treatment, following label instructions. After 24 hours, use an HTH algaecide to treat the effected area, then brush the pool again. Keep the pump running overnight and continue to use the algaecide once a week to prevent future growth. |
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| 6-Way Pool Test Kit | Super 3" Chlorinating Tablets | Super Shock Treatment | Super Green to Blue | Super Algae Guard | Super Clarifier | |
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| Customer Reviews |
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| Price | $21.97 | $113.99 | $46.78 | — | $36.99 | $22.41 |
| Function | Tests chemical levels in your swimming pool | Sanitizes and protects your pool water | Increases the chlorine level in swimming pools | Kills green algae and prevents future algae blooms in your swimming pool | Kills and prevents all algae types in your swimming pool water | Clears up dull, cloudy or hazy pool water |
| Vinyl Lined Pool Compatible | ✓ | ✓ | ✓ | ✓ | ✓ | |
| Saltwater Pool Compatible | ✓ | ✓ | ✓ | ✓ | ✓ | |
| Kills Bacteria and Algae | ✓ | ✓ | ✓ | ✓ | ||
| Clarifies Water | ✓ | ✓ | ✓ | ✓ | ||
| Vacuum to Waste Pool Needed | ✓ | |||||
| Improves Filter Efficiency | ✓ | |||||
| Non-Foaming | ✓ | |||||
| Sun Protection | ✓ | |||||
| Uses per Week | 1 | 2 | 1 | 1 | 1 | 1 |
Compare with similar items
This Item  HTH 42038 Super 3" Chlorinating Tablets Swimming Pool Chlorine, 15 lbs |  |  |  |  |  | |
| Price | $113.99 | $88.92 | $49.63 | $94.99 | -6% $129.69 List: $138.69 | $106.04 |
| Delivery | Get it May 14 - 16 | Get it as soon as Monday, May 13 | Get it as soon as Monday, May 13 | Get it May 10 - 13 | — | Get it as soon as Friday, May 10 |
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| Sold By | USA 305 | Amazon.com | Amazon.com | Four Seasons Pool Supply | Aqua Pura Products | BackyardPoolSuperstore |
| form | Tablet | Liquid | Tablet | Tablet | Tablet | Tablet |
| weight | 15 pounds | 8 pounds | 5 pounds | 20 pounds | 25 pounds | 25 pounds |
Reviews with images
Pool Chlorine Tablets 3” Wrapped
Thanks, I needed these. Price is right! Will order again! I like not having to actually touch the tablets and have that smell on my hands. The wrapping is different but appreciated. Thanks
