Top 9 Sodium Dichloro-s-Triazinetrione Dihydrate 99% – Swimming Pool Chlorine

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1. Rx Clear

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Rx Clear Multi-Functional 4-in-1 Swimming Pool Shock | 99% Sodium Dichloro-s-Triazinetrione Dihydrate | Kills Bacteria and Algae | One-Pound Bags | 12-Pack

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Rx Clear #ad - Reduces chlorine odor and eye irritation - Eliminate the harsh chemicals smell, and not irritate to your eyes or skin, but strong enough to zap bacteria away.

Dosage - recommended to use 1 lb per 10, 000 Gallons about every two weeks. Trusted pool supplies - rx clear is your trusted, chemicals, essential source for reliable spa and pool supplies, and equipment. No more cloudy water - helps to control the growth of algae, kill bacteria, and destroy organic contaminants quickly. Great for regular maintenance. Count on rx clear to keep your pool clear and blue from opening day throughout the whole season. Multi-purpose - multi-functional 4-in-1 Shock is designed to dissolve quickly and completely providing a steady source of available chlorine in swimming pools.
BrandRx Clear #ad
ManufacturerRx Clear #ad
Weight1 Pounds

2. In The Swim

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25 Pound Bucket, In The Swim Sodium Di-Chlor Chlorine Granular Pool Shock

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In The Swim #ad - 99% sodium dichloro-S-Triazinetrione Dihydrate. Contains premium-quality 56% available stabilized chlorine. Powerful sanitizing powder that destroys bacteria, breaks down contaminants and kills algae. In the swim's granular chlorine is ideal for use in swimming pools, spas, fountains and water features. Calcium-free formula keeps hard-water pools sparkling clean and crystal clear.
BrandIn The Swim #ad
ManufacturerIn The Swim Discount Pool Supplies #ad
Height12.2 Inches
Length13.7 Inches
Weight28 Pounds
Width13.5 Inches
Part NumberC4025
ModelC4025

3. SpaChoice

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2-Pack, Spa Choice 472-3-3031-02BX Sanitizing Granules Hot Tub Chlorine 2-Pounds

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SpaChoice #ad - 56% available Chlorine. Stabilized Spa Chlorine. Dissolves Quickly and Completely. Controls Algae. Downloadable user guide Available Under Product Information: Technical Specifications.
BrandSpaChoice #ad
ManufacturerSpa Choice #ad
Height10 Inches
Length6 Inches
Weight4 Pounds
Width4 Inches
Part Number472-3-3031-02
Model472-3-3031-02BX

4. HTH

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HTH 52026 Super Shock Treatment Swimming Pool Chlorine Cleaner, 1 lb Pack of 12

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HTH #ad - Features: increases chlorine levels; kills and prevents bacteria and algae; Keeps water clear; See results in 24 hours; 1 bag treats 13, 500 gallons; Won’t fade vinyl pool liners.

Includes: twelve 1-lb bags of shock treatment for your swimming pool. Use: apply directly to pool water as needed; Test pool water and shock weekly to keep free available chlorine levels between 1 and 4ppm. Compatibility: effective for all swimming pool types including pools with liners and Gunite pools, and saltwater pool systems. Benefits: increases the chlorine level in swimming pools to kill bacteria and algae to keep your pool water clear and ready for fun all season long.
BrandHTH #ad
ManufacturerInnovative Water Care #ad
Height10 Inches
Length7 Inches
Weight12 Pounds
Width10.5 Inches
Part Number52026
Model52026

5. DryTec

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1-Pound, 24-Pack, DryTec 1-1901-24 Calcium Hypochlorite Chlorine Shock Treatment for Swimming Pools

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DryTec #ad - 68% calcium hypochlorite. Recommended dosage: 1 pound per 10, 000 gallons of water. Kills bacteria, controls algae, and destroys organic contaminants in pools. Fast-acting quick-Dissolving Swimming Pool Sanitizer. 24 bags 1-pound each.
BrandDryTec #ad
ManufacturerRobelle Industries #ad
Height6 Inches
Length24 Inches
Weight24 Pounds
Width12 Inches
Part Number1-1901--24
Model1-1901--24

6. In The Swim

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50 Pounds, In The Swim 3 Inch Stabilized Chlorine Tablets for Sanitizing Swimming Pools, Tri-Chlor, 90% Available Chlorine, Individually Wrapped, Slow Dissolving

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In The Swim #ad - Individually wrapped tablets in easy-open bags. 99% trichloro-S-Triazinetrione Trichlor. 90% available chlorine. 3" chlorine Tablets are slow-dissolving and stabilized. 8 oz. Perfect size for floaters or any automatic chlorine feeder.
BrandIn The Swim #ad
ManufacturerIn The Swim #ad
Height13 Inches
Length20 Inches
Weight55 Pounds
Width13 Inches
Part NumberC3050
ModelC3050

7. Pool Mate

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8-Pounds, Pool Mate 1-1308 Granules Swimming Pool Chlorine

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Pool Mate #ad - 8 pounds. Broadcast 3 oz. Customers prefer chlorinating granules because it has little to no effect on pH levels. Of this product per 10, 000 gallons pool water every other day or as often as needed to maintain chlorine residual at 2-4 ppm. Powerful, residue-free, super-concentrated, and fast-dissolving. Can be used as a routine chlorine sanitizer or as a shock treatment.
BrandPool Mate #ad
ManufacturerRobelle Industries #ad
Height9 Inches
Length9 Inches
Weight9 Pounds
Width9 Inches
Part Number1-1308
Model1-1308

8. Clorox Pool&Spa

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White, Clorox Pool&Spa 33512CLX Pool Shock XtraBlue 12 1-lb Bags, 12 Pack

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Clorox Pool&Spa #ad - Multifunctional pool shock with algae-fighting crystals. Power source Type: Manual. Improves filter performance. Creates crystal clear water. Kills and prevents green, black and mustard pool algae. Kills bacteria.
BrandClorox Pool&Spa #ad
ManufacturerClorox® Pool&Spa™ #ad
Height9.25 Inches
Length5.38 Inches
Weight12 Pounds
Width11 Inches
Part Number33512CLX
Model33512CLX

9. Clorox Pool&Spa

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4lb, 4 lb, Clorox Pool&Spa 12004CLX Chlorine Stabilizer

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Clorox Pool&Spa #ad - Reduces sun's impact on chlorine. For best results, use with the Clorox Pool App. Perfect for salt pools, new pools and pools that use liquid chlorine. Helps chlorine last longer.
BrandClorox Pool&Spa #ad
ManufacturerClorox® Pool&Spa™ #ad
Height11.5 Inches
Length4.4 Inches
Weight4 Pounds
Width10 Inches
Part Number12004CLX
Model12004CLX