Best 3 in Chlorine Tablets 25 Lbs in 2025
Updated on July 2025
#1
Recommended
7% Off
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- Eliminates harmful bacteria and prevents algae growth in all types of swimming pools.
- Features a chlorine stabilizer for prolonged effectiveness under sunlight.
- Includes conditioners for a smooth and comfortable water experience.
- Recommended dosage is 2 tablets per week for every 10,000 gallons of water; safe for all pool surfaces.
- Offers expert guidance and maintenance tips via the Clorox Pool App.
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- Eliminates harmful bacteria and prevents algae growth in all types of swimming pools.
- Features a chlorine stabilizer for prolonged effectiveness under sunlight.
- Includes conditioners for a smooth and comfortable water experience.
- Recommended dosage is 2 tablets per week for every 10,000 gallons of water; safe for all pool surfaces.
- Offers expert guidance and maintenance tips via the Clorox Pool App.
#2
Value for Money
14% Off
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- Removes bacteria, algae, and organic contaminants for cleaner pool water.
- Contains 99% Trichloro-S-Triazinetrione with 90% stabilized chlorine; effective for up to 2 years.
- Slow-dissolving tablets provide consistent chlorination for long-lasting protection.
- Sun-stabilized to resist chlorine degradation from UV rays.
- Designed for optimal use in floaters or automatic feeders.
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- Removes bacteria, algae, and organic contaminants for cleaner pool water.
- Contains 99% Trichloro-S-Triazinetrione with 90% stabilized chlorine; effective for up to 2 years.
- Slow-dissolving tablets provide consistent chlorination for long-lasting protection.
- Sun-stabilized to resist chlorine degradation from UV rays.
- Designed for optimal use in floaters or automatic feeders.
#3
15% Off
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- Each tablet is securely packaged in a protective box to prevent breakage.
- Contains 99% Trichloro-S-Triazinetrione with 90% available chlorine.
- Effectively eliminates bacteria and prevents algae growth for a clean pool.
- Chlorine tablets dissolve slowly and provide up to one week of protection, even in direct sunlight.
- Compatible with all pool types, including above ground and in-ground, and fits most skimmers and floaters.
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- Each tablet is securely packaged in a protective box to prevent breakage.
- Contains 99% Trichloro-S-Triazinetrione with 90% available chlorine.
- Effectively eliminates bacteria and prevents algae growth for a clean pool.
- Chlorine tablets dissolve slowly and provide up to one week of protection, even in direct sunlight.
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#4
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- 99% Trichloro-S-Triazinetrione with 90% stabilized chlorine for effective water treatment.
- Designed for easy use: apply 1 tablet per 5,000 gallons via a feeder, skimmer, or chlorinator.
- Slow-dissolving formula provides long-lasting chlorination, effective for up to one week per dose.
- Reliable chlorine tablets that help maintain pool water clarity and safety.
- Note: Some tablets may arrive broken but their effectiveness is unaffected.
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- 99% Trichloro-S-Triazinetrione with 90% stabilized chlorine for effective water treatment.
- Designed for easy use: apply 1 tablet per 5,000 gallons via a feeder, skimmer, or chlorinator.
- Slow-dissolving formula provides long-lasting chlorination, effective for up to one week per dose.
- Reliable chlorine tablets that help maintain pool water clarity and safety.
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#5
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- 25 pounds of 3" chlorine tablets included
- Slow-dissolving, stabilized formula maintains consistent chlorine levels
- Ingredients consist of 99% Trichloro-S-Triazinetrione, providing 90% available chlorine
- Compatible with pool skimmers, floating feeders, and automatic chlorinators
- Normal shipping may cause some tablets to arrive cracked, but this does not affect their effectiveness.
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- 25 pounds of 3" chlorine tablets included
- Slow-dissolving, stabilized formula maintains consistent chlorine levels
- Ingredients consist of 99% Trichloro-S-Triazinetrione, providing 90% available chlorine
- Compatible with pool skimmers, floating feeders, and automatic chlorinators
- Normal shipping may cause some tablets to arrive cracked, but this does not affect their effectiveness.
#6
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- Pre-stabilized chlorine tablets resist UV burn-off for longer-lasting effectiveness.
- Contains 99% pure Trichloro-S-Triazinetrione with 90% available chlorine for effective sanitation.
- Childproof bucket with individually wrapped tablets minimizes odor, dust, and skin contact for family safety.
- Easy to use: just place tablets in a skimmer, floater, or feeder for efficient chlorine distribution.
- Doheny’s offers over 50 years of experience in providing high-quality chlorine tablets for clear pool water.
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- Pre-stabilized chlorine tablets resist UV burn-off for longer-lasting effectiveness.
- Contains 99% pure Trichloro-S-Triazinetrione with 90% available chlorine for effective sanitation.
- Childproof bucket with individually wrapped tablets minimizes odor, dust, and skin contact for family safety.
- Easy to use: just place tablets in a skimmer, floater, or feeder for efficient chlorine distribution.
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#7
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- 99% Trichloro-S-Triazinetrione containing 90% stabilized chlorine for effective water treatment
- Individually wrapped for convenience and freshness
- Compatible with floating feeders, skimmers, and automatic chlorinators
- Comes in a 25-pound bucket for bulk use
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- 99% Trichloro-S-Triazinetrione containing 90% stabilized chlorine for effective water treatment
- Individually wrapped for convenience and freshness
- Compatible with floating feeders, skimmers, and automatic chlorinators
- Comes in a 25-pound bucket for bulk use
#8
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- New formula for 2025 ensures effective sanitization for up to 10,000 gallons and lasts two months under proper conditions.
- Slow-dissolving tablets maintain consistent chlorine levels while providing UV protection to prevent degradation.
- Contains 99% Trichloro-S-Triazinetrione for optimal pool sanitation and reliability, offering significant value.
- Childproof lid enhances safety for families, minimizing exposure to dust and odor.
- Quick clarity restoration with shock treatment achieving over 95% clarity within 24 hours.
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- New formula for 2025 ensures effective sanitization for up to 10,000 gallons and lasts two months under proper conditions.
- Slow-dissolving tablets maintain consistent chlorine levels while providing UV protection to prevent degradation.
- Contains 99% Trichloro-S-Triazinetrione for optimal pool sanitation and reliability, offering significant value.
- Childproof lid enhances safety for families, minimizing exposure to dust and odor.
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#9
9% Off
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- These pool chlorine tablets dissolve slowly, helping to maintain water clarity for an extended period.
- Contains cyanuric acid (CYA) to protect chlorine from UV degradation, ensuring cleaner pool water for up to a week.
- Suitable for use in swimming pools, spas, and hot tubs; helps enhance water quality.
- Effectively maintains chlorine levels and eliminates contaminants to produce sparkling clean water.
- Conveniently wrapped for easy use; each tablet treats up to 10,000 gallons of water and lasts up to a week.
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- These pool chlorine tablets dissolve slowly, helping to maintain water clarity for an extended period.
- Contains cyanuric acid (CYA) to protect chlorine from UV degradation, ensuring cleaner pool water for up to a week.
- Suitable for use in swimming pools, spas, and hot tubs; helps enhance water quality.
- Effectively maintains chlorine levels and eliminates contaminants to produce sparkling clean water.
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#10
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- Suitable for a variety of applications including swimming pools, hot tubs, spas, and water parks
- Designed to fit floaters and automatic feeders larger than 3 inches (dispenser sold separately)
- Cost-effective solution, with one tablet potentially saving up to 5,000 gallons of water
- Contains 99% Trichloro-S-Triazinetrione and 90% stabilized chlorine
- Pre-stabilized to resist UV rays, enhancing longevity of chlorine effectiveness
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- Suitable for a variety of applications including swimming pools, hot tubs, spas, and water parks
- Designed to fit floaters and automatic feeders larger than 3 inches (dispenser sold separately)
- Cost-effective solution, with one tablet potentially saving up to 5,000 gallons of water
- Contains 99% Trichloro-S-Triazinetrione and 90% stabilized chlorine
- Pre-stabilized to resist UV rays, enhancing longevity of chlorine effectiveness
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