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Pop Expert have put together this list of the top 10 selling Chlorine Granules on Amazon – sorted by overall popularity and positive consumer reviews.
The Pop Expert list of top selling Chlorine Granules is the ideal place to start when you are trying to find the Best Chlorine Granules for your neeeds.
Popular Chlorine Granules on Amazon
Details on the Best Chlorine Granules
On Sale!Bestseller No. 1
CLOROX Pool&Spa All-in-One XtraBlue Chlorinating Granules, Kills Bacteria & Stops Algae, Blue, 6 Pounds
- Dual Action Sanitizer and Shock - Clorox Pool&Spa All-in-One XtraBlue Chlorinating Granules can be used to sanitize and shock your pool water clean and clear. Cleans and clears water in one step.
- Quick-Dissolving, Fast-Acting: These quick-dissolving, fast-acting chlorine granules not only kill bacteria but are also stabilized to protect against loss from sunlight, ensuring your sanitizer residual lasts longer in your pool water.
- For Clean, Algae-Free Water. Kill bacteria and stop green, mustard and black pool algae with All-in-One XtraBlue Chlorinating Granules. The multi-functional XtraBlue formula kills and prevents all types of pool algae, kills bacteria, and reduces eye irritation and chlorine odor.
- Improves Filter Performance: This product destroys contaminants to aid filtration, helping to clear dull water and enhance overall pool clarity. Enjoy a cleaner, more efficient pool filtration system.
- Clorox Pool App: Test like an expert anytime, anywhere with the Clorox Pool App. Solve common swimming pool problems and get personalized product and dosage recommendations
$44.99
−$10.23
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On Sale!Bestseller No. 2
In The Swim Pool Shock – 68% Cal-Hypo Granular Sanitizer for Crystal Clear Water – Defends Against Bacteria, Algae, and Microorganisms - 50 Pounds
- Fast-Acting Algae Control: Calcium Hypochlorite (Cal-Hypo) is an effective non-stabilized chlorine shock treatment, ideal for routine maintenance in your swimming pool
- Versatile Use: Suitable for above ground or in-ground swimming pools, spas, and hot tubs; Pre-dissolve or dilute to avoid bleaching the liner
- High Chlorine Content: 65% available chlorine, provides powerful sanitization for crystal-clear water
- Easy Application: Pre-dissolve or dilute to avoid bleaching swimming pool liners; Spread granules in the deepest part of the pool; Brush if needed
- Dosage: Use 1 Pound per 10,000 gallons weekly to maintain 5-10 ppm chlorine levels
Bestseller No. 3
10Lbs Chlorinating Granules for Pools, Spas & Hot Tubs – Kills Bacteria & Algae, Fast-Dissolving Formula
- Powerful Pool & Spa Sanitizer：Effectively kills bacteria and algae, ensuring crystal-clear water for your swimming pool and spa.
- Easy-to-Use Dosage Guide：Use 1 lb per 18,000 gallons of water. Shock your pool weekly or after heavy use, high temperatures, or rain for best results.
- Versatile & Compatible：Safe for all pool surfaces, including vinyl, plaster, fiberglass, and tile. Suitable for both chlorine and saltwater pools.
- Fast Dissolving & Quick Action：Our granules dissolve rapidly, allowing you to treat your pool or spa —no long waiting time required.
- High-Quality & Reliable：With 60% available chlorine, our product ensures effective sanitation without leaving residue, keeping your pool or spa safe and clean.
On Sale!Bestseller No. 4
Leisure Time 22337A Spa 56 Chlorinating Granules, Bucket for Crystal Clear Water Maintenance, 2lbs
- BENEFITS: Destroys organic contaminants to maintain clean, clear, sanitized water; helps control algae growth
- USE: Specifically formulated for spa and hot tubs; can be used as a shock treatment
- COMPATIBILITY: Chlorine sanitizing systems
- FEATURES: Quick dissolving; EPA approved chemical formula
- ACTIVE INGREDIENTS: Sodium Dichloro-s-Triazinetrione Dihydrate
$29.99
−$6.04
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Newest Chlorine Granules
New
36 Pack Advanced Pool Shock, 68% Calcium Hypochlorite – Fast-Acting Shock Pool Treatment, Quick-Dissolving Chlorine Granules for Inground & Above Ground Swimming Pools, 36 x 1 lb Bags (36 lb Total)
- [Fast-Acting Pool Shock Treatment] Made with Calcium Hypochlorite (Cal-Hypo) containing 68% available chlorine. Each 1 lb pre-measured bag delivers powerful, mess-free chlorine shock for swimming pools—no measuring or scooping needed.
- [Crystal Clear Swimming Pool Water] Effectively removes algae, bacteria, body oils, and other organic contaminants for sparkling clean water. This granular chlorine sanitizer boosts chlorine levels fast—pre-dissolve or dilute to help protect pool liners and surfaces.
- [Quick-Dissolving Chlorine Granules] A non-stabilized Cal-Hypo pool shock that dissolves quickly without leaving residue when used as directed. Perfect for weekly swimming pool maintenance, keeping water balanced, fresh, and safe for your family to enjoy.
- [Easy Dosage for Any Pool Size] Use 1 lb per 10,000 gallons of pool water for routine shocking. For heavy pool use or algae outbreaks, apply 2–3 bags for best results. Each dose raises chlorine levels by approximately 5–10 ppm, making it an effective pool chlorine sanitizer.
- [Reliable Pool Care & Important Directions] Temporary cloudiness may occur—water usually clears within 24 hours with proper circulation and filtration. For best results, first dissolve the product in a clean plastic bucket of water, then turn on the pump and slowly pour the dissolved solution along the pool edge. Do not allow undissolved granules to sit on the pool surface, as this may cause localized discoloration or staining.
New
ClearView Chlorine Granules 2.2 Lbs for Swimming Pools, Pool Chlorine Shock Granular Sanitizer for Spas, Fast Dissolving Chlorinating Granules for Hot Tubs
- CLEARVIEW CHLORINE GRANULES: 99% Sodium Dichloro-S-Triazinetrione Dihydrate active ingredients, use as bactericide, algaecide & disinfectant in swimming pools hot tubs and spas.
- FAST-ACTING QUICK-DISSOLVING: The chlorine granular dissolves quickly according to instruction can help us get the best quick water treatment maintenance.
- BENEFITS & FEATURES: Powerful sanitizing powder that destroys bacteria, breaks down contaminants and kills algae, maintains water clean, clear, and sanitized.
- CALCIUM-FREE FORMULA: Calcium-Free formula keeps hard-water pools sparkling clean and crystal clear, the water will not be hard even long-term use.
- COMPATIBLE WITH ALL POOLS: Our ClearView chlorine granules are perfect for multiple scenarios, great for all pool types including vinyl-lined pools and saltwater systems.
New
New
Clearview Pool and Spa Chlorine Granules - Sodium DiChlor Chlorine Shock Granules for Swimming Pools - Hot Tub Chlorinating Granules - 10 Pounds (1) (2)
- Powerful and Effective Water Treatment – Made with 99% Sodium Dichlor and 56% available chlorine, these chlorinating granules help maintain clean and clear pool and spa water by reducing unwanted contaminants. Ideal for regular maintenance and water balance.
- Fast-Dissolving & No Pre-Mixing Required – This quick-dissolving formula disperses evenly in water, requiring no pre-mixing and leaving no residue, making it easy to apply for a hassle-free pool care routine.
- Helps Maintain Balanced Water Chemistry – Specially formulated to help stabilize chlorine levels and support consistent water balance, reducing the need for frequent adjustments compared to some shock treatments.
- Restores Water Sparkle & Clarity – Effectively reduces dullness and cloudiness caused by organic material, helping to maintain crystal-clear, inviting water for a refreshing swimming experience.
- Safe for Multiple Pool & Spa Types – Suitable for vinyl-lined, fiberglass, and above-ground pools, as well as hot tubs and spas. This high-quality granular chlorine treatment works without causing damage to pool surfaces or filtration systems.
On Sale!New
Chlorine Granules Swimming Pool Shock 2lbs Bucket Pool Chlorine for Inground and Above Ground Pool Treatment Saltwater (2lbs)
- EASY SHOCK TREATMENT FOR FAST RESULTS - After a busy weekend of swimming, your pool needs a quick refresh. Pool Shark fast-dissolving granules make shock pool treatments easy. Just measure it out, toss it in, and watch your water turn from cloudy to crystal-clear in 24 to 48 hours.
- POWERFUL CALCIUM HYPOCHLORITE FORMULA – Contains 68% active chlorine from Calcium Hypochlorite. This high-strength pool shock kills algae, bacteria, and fungi fast, keeping your pool water safe and clean for swimmers.
- IDEAL FOR INGROUND & ABOVE GROUND POOLS – Perfect for inground pool shock treatments or above ground pools, as well as saltwater systems, spas, and hot tubs. Designed for universal pool compatibility and reliable results every time.
- PROFESSIONAL-GRADE POOL CHLORINE – Each 1 lb pool shock bag treats up to 10,000 gallons of water. Great for weekly maintenance or as a liquid pool shock alternative when you need quick chlorine replenishment.
- CLEAR WATER YOU CAN TRUST – Maintain crystal-clear pool water effortlessly. Pool Shark’s chlorine shock controls odor, boosts alkalinity, and restores clarity—ideal for any pool owner who values effective, easy-to-use pool chemicals.