Prices, Promotions, styles, and availability may vary. Our local stores do not honor online pricing. Prices and availability of products and services are subject to change without notice. Errors will be corrected where discovered, and Lowe's reserves the right to revoke any stated offer and to correct any errors, inaccuracies or omissions including after an order has been submitted.

HTH Pool Chlorine

15 results

4.7
83
  • All-in-one sanitizer
  • Sanitizer, clarifier, algaecide and water softener
  • Use in floater, feeder or skimmer basket
Find My Store

for pricing and availability

4.5
100
  • Contains one 5-pound container of HTH® Chlorinating Granules for swimming pools
  • Compatible with chlorine and salt water pools
  • Multi-functional 7-in-1 action: kills bacteria and algae; crystal clear results in 24 hours; helps prevent scale formation; turns blue to show it’s working; softens water; provides filter aid; fast dissolving
Find My Store

for pricing and availability

4.9
135
  • Protect your swimming pool and enjoy clean, clear water with these easy-to-use chlorine-based tabs
  • Clean, clear water: HTH® Chlorine Tabs keep water clear while protecting against bacteria, algae and other organisms
  • Slow dissolving, long lasting: Sun protected for longer chlorine life, HTH® Chlorine Tabs dissolve slowly and last up to one week
Find My Store

for pricing and availability

4.7
145
  • Sanitize, clarify and protect your swimming pool against algae with one easy and convenient tab
  • Clera Blue Water: This advanced formula sanitizes, clarifies and kills algae for beautiful, clean and clear water all season
  • Slow dissolving, long lasting: Sun protected for longer chlorine life, HTH 3-in Chlorine Tabs Advanced dissolve slowly and last up to one week
Find My Store

for pricing and availability

4.9
139
  • HTH 2-in-1 chlorinating formula clarifies pool water, kills algae and bacteria
  • Sanitizes and protects pool water
  • Place tablets in skimmer, floater or feeder for simple DIY pool care
Find My Store

for pricing and availability

4.7
145
  • Multi-purpose sanitizer
  • Kills bacteria
  • Contains built-in algae fighter
Find My Store

for pricing and availability

  • HTH brand Pool Care chlorine tablets in 3 in tablet form sold in a 5 lb container
  • Chlorine chemical type formulated for pool sanitization and routine chlorination
  • Suitable for small pools pop up above ground vinyl lined and saltwater systems
Find My Store

for pricing and availability

4.7
143
  • This advanced formula sanitizes, clarifies and kills algae for beautiful, clean and clear water all season
  • Sun protected for longer chlorine life, HTH 3-in Chlorine Tabs Advanced dissolve slowly and last up to one week
  • This product is great for all pool types including vinyl-lined pools and salt water systems
Find My Store

for pricing and availability

  • BENEFIT: Keep your pool water clean, clear, and comfortable with this all-in-one individually wrapped tablet sanitizer and shock treatment; Kills algae and bacteria while softening, clarifying, and guarding surfaces from stain and scale
  • TO USE: Place all-in-one sanitizer, clarifier, algaecide, and water softener tablets in floater, feeder, or skimmer basket to apply to swimming pool
  • SLOW DISSOLVING, LONG LASTING: HTH 3” Individually Wrapped Chlorine Tabs Ultra dissolve slowly and last up to one week for longer chlorine life
Find My Store

for pricing and availability

4.9
22
  • Kills bacteria and algae
  • Can be added directly to pool
  • Compatible with salt pools
Find My Store

for pricing and availability

4.5
100
  • Contains one 18-pound container of HTH® Ultimate Mineral Brilliance Chlorinating Granules for swimming pools
  • Multi-functional 7-in-1 action: kills bacteria and algae; crystal clear results in 24 hours; helps prevent scale formation; turns blue to show it’s working; softens water; provides filter aid; fast dissolving
  • Compatible with chlorine and salt water pools
Find My Store

for pricing and availability

4.8
272
  • Concentrated chlorinator for routine use
  • Controls bacteria & algae
  • Good for all pool surfaces
Find My Store

for pricing and availability

4.7
143
  • Sanitize, clarify and protect your swimming pool against algae with one easy and convenient tab
  • Clera Blue Water: This advanced formula sanitizes, clarifies and kills algae for beautiful, clean and clear water all season
  • Slow dissolving, long lasting: Sun protected for longer chlorine life, HTH 3-in Chlorine Tabs Advanced dissolve slowly and last up to one week
Find My Store

for pricing and availability

4.8
285
  • HTH 4-in-1 stabilized chlorinating formula sanitizes and protects pool water from the loss of chlorine due to sunlight
  • Includes built-in algae protection and clarifier
  • Designed for ultimate value - dissolving slowly for longer chlorine life
Find My Store

for pricing and availability

  • BENEFIT: Keep your pool water clean, clear, and comfortable with this all-in-one tablet sanitizer and shock treatment; Kills algae and bacteria while softening, clarifying, and guarding surfaces from stain and scale
  • TO USE: Place all-in-one sanitizer, clarifier, algaecide, and water softener tablets in floater, feeder, or skimmer basket to apply to swimming pool
  • SLOW DISSOLVING, LONG LASTING: HTH 3” Chlorine Tabs Ultra dissolve slowly and last up to one week for longer chlorine life
Find My Store

for pricing and availability


Related Products

Pool Chlorine That Keeps Water Clean, Clear and Safe


Pool chlorine offers an essential and highly effective method for maintaining a clear, sanitized swimming pool by actively eliminating harmful bacteria, algae and other contaminants from the water. Available in various convenient forms, including slow-dissolving tablets for steady chlorination, liquid chlorine for rapid adjustments and granular chlorine for targeted treatments, you can select the best format for your specific pool size and maintenance needs. Discover high-quality chlorine products at Lowe’s to keep your pool inviting and safe.


Benefits of Pool Chlorine

  • Effective Disinfection: kills bacteria, viruses and algae to keep the water clean
  • Consistent Sanitizing: maintains chlorine levels to prevent contamination
  • Compatibility: works with filters, pumps and automatic feeders
  • Transparent Upkeep: enables easy monitoring and maintenance of safe swimming conditions


Key Features of Pool Chlorine

  • Tablet Formulas: Slow-dissolving, long-lasting pucks are ideal for regular maintenance.
  • Liquid Formulas: Ready-to-use sodium hypochlorite disperses immediately.
  • Granular Options: High-concentration powders work for shock treatments or fast boosts.
  • Stabilization: Some types include cyanuric acid to protect chlorine from sunlight.
  • pH Considerations: Different forms impact pH, alkalinity and calcium hardness.
  • Application Methods: Use with feeders or dissolvers or pre-dissolve before adding.


How to Choose Pool Chlorine

  • Assess Pool Size and Usage: Larger or heavily used pools may need granular or liquid types.
  • Decide Dosing Frequency: Tablets offer set-and-forget convenience while liquid and granule options require more frequent use.
  • Check Compatibility: Ensure chlorine type works with your feeder or automation system.
  • Balance Water Chemistry: Choose types appropriate for your pH and alkalinity needs.
  • Evaluate Storage and Shelf Life: Tablets generally last longer, while liquid degrades faster and needs to be used quickly.


Maintenance Tips

  • Test Regularly: Check free and total chlorine levels daily or as recommended.
  • Store Properly: Store tablets, liquid or granules in a cool, dry place away from direct sunlight.
  • Handle Safely: Wear gloves and goggles and avoid mixing chlorine types.
  • Prevent Overuse: Excess chlorine can cause eye or skin irritation.
  • Monitor Stabilizer Levels: If you’re using stabilized chlorine, watch cyanuric acid accumulation.


Pool chlorine is essential to maintaining clean and safe conditions in your swimming pool. Use tablets for consistent maintenance, liquid for quick dosing, or shock or granular formulations for high-concentration treatments. Browse our wide selection at Lowe’s and choose the type that fits your routine and pool conditions to keep your water sparkling clear.

   
Ask Mylow