With so many great Best Pool Chlorine Granules to pick from, like those from brands such as CLOROX Pool&Spa,In The Swim,Discount Pool Mart,VIEWTOWN,HTH,Rx Clear, it can be tricky for customers to decide what to buy. But after extensive research, we’ve discovered the stand-out Best Pool Chlorine Granules currently on the market.
Our team rigorously tested numerous products available to consumers. The one that stands at the top of our list is CLOROX Pool&Spa Best Pool Chlorine Granules, thanks to its impressive performance and features. Below you’ll find more of our top-rated picks, along with insightful analysis from our seasoned experts. Check out their thoughts before making your purchasing choice. With this guide backing your decision, you’re sure to end up with a Best Pool Chlorine Granules you’ll love.
Editor's Choice
CLOROX Pool&Spa All-in-One XtraBlue Chlorinating Granules, Kills Bacteria & Stops Algae, Blue, 6
Premium Pick
In The Swim Pool Shock – 68% Cal-Hypo Granular Sanitizer for Crystal Clear Water – Defends
Budget Pick
Clearview Pool and Spa Chlorine Granules - Sodium DiChlor Chlorine Shock Granules for Swimming Pools
Top 9 Best Pool Chlorine Granules
We researched and compared the top products in the Best Pool Chlorine Granules category to provide you with these recommendations.
1. CLOROX Pool&Spa All-in-One XtraBlue Chlorinating Granules, Kills Bacteria & Stops Algae, Blue, 6
- 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
2. In The Swim Pool Shock – 68% Cal-Hypo Granular Sanitizer for Crystal Clear Water – Defends
- 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
3. Clearview Pool and Spa Chlorine Granules - Sodium DiChlor Chlorine Shock Granules for Swimming Pools
- 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.
4. 5LBs Chlorinating Granules for Pools, Spas & Hot Tubs - Kills Bacteria & Algae, Fast-Dissolving
- Powerful Pool & Spa SanitizerEffectively kills bacteria and algae, ensuring crystal-clear water for your swimming pool and spa.
- Easy-to-Use Dosage GuideUse 5 lb per 60,000 gallons of water. Shock your pool weekly or after heavy use, high temperatures, or rain for best results.
- Versatile & CompatibleSafe for all pool surfaces, including vinyl, plaster, fiberglass, and tile. Suitable for both chlorine and saltwater pools.
- Fast Dissolving & Quick ActionOur granules dissolve rapidly, allowing you to treat your pool or spa no long waiting time required.
- High-Quality & ReliableWith 60% available chlorine, our product ensures effective sanitation without leaving residue, keeping your pool or spa safe and clean.
5. HTH 52037R Pool Care Shock Advanced, Swimming Pool Chemical - Cal Hypo Formula, Prevents Bacteria &
- BENEFITS: Stay all clear for cannonballs; This fast-dissolving, convenient 4-in-1 formula kills bacteria and algae, reduces chlorine odor and irritation, and quickly restores crystal clarity
- FEATURES: Multi-functional shock treatment for weekly use to solve 90% of pool water problems within 24 hours and restore crystal clarity
- VISIBLY BRILLIANT SPARKLE: This Cal Hypo based formula sanitizes without adding cyanuric acid (CYA) to prevent overstabilization or chlorine lock
- COMPATIBLE WITH ALL SWIMMING POOLS: This product is great for all pool types including vinyl-lined pools and saltwater systems
- YOU'RE ALL CLEAR WITH HTH: For best results, use with HTH 6-Way Test Strips to test and balance your swimming pool water twice weekly
6. Rx Clear 50 lbs Granular Pool Chlorine | Use As Bactericide, Algaecide, & Disinfectant in Swimming
- CLEAR WATER FOR SAFE SWIMMING - Swimming in crystal clear water does not mean your skin has to suffer. The granular chlorine is 99% sodium diclor making a relaxing swim not as harsh.
- LONG LASTING - Dichlor resists UV light, lasting longer than other types of chlorinating supplies due to built in stabilizer for your swimming pool, hot tub, or spa.
- DISSOLVES QUICKLY - Add 1 oz of this cleaning chemical to your pool for every 5,000 gallons your pool contains, daily for the best quick water treatment maintenance.
- FEWER CHEMICALS NEEDED - Our dichlor is pH neutral, meaning less chemical adjustments to be made by you! This pool chlorinator acts as a sanitizer, pool algaecide, and disinfectant. This granular chlorine dissolves in a 4-foot column, so there is no need to worry about bleach damage on your pool liner as with chlorine tablets.
- TRUSTED POOL SUPPLIES - Rx Clear is the best choice for swimming pool accessories and pool chemicals and supplies.
7. 68% Calcium Hypochlorite Pool Shock for Swimming Pools - Chlorine Granules Swimming Pool Shock 50
- 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 Sharks chlorine shock controls odor, boosts alkalinity, and restores clarityideal for any pool owner who values effective, easy-to-use pool chemicals.
8. In The Swim Sodium Dichlor Chlorine Shock Granules for Sanitizing Swimming Pools – Fast
- Versatile: Granular chlorine with the ability to be used in all types of swimming pools, spas, fountains, and water features.
- Powerful Sanitizer: Sodium Dichlor shock removes bacteria, breaks down organic contaminants, and eliminates algae.
- Calcium-Free Formula: Perfect for hard water areaskeeps pool water sparkling clean and crystal clear.
- Stabilized Chlorine: Contains 56% available chlorine for effective, long-lasting sanitation.
- Usage Directions: Add 3 oz. per 10,000 gallons for routine chlorination; use 21 oz. per 10,000 gallons for super chlorination
9. In The Swim Pool Shock – 68% Cal-Hypo Granular Sanitizer for Crystal Clear Water – Defends
- 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
Michel
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