Top 10 Calcium Hypochlorite Tablets for Drinking Water – Swimming Pool Chlorine

As an Amazon Associate I earn from qualifying purchases.

1. Better Water Industries


Better Water Industries C21044 Chlorine Pellets

Better Water Industries #ad - Able to be used in a multitude of applications. The pellets are 3/8 inch in size. Ships fast! Used to treat water with chlorine.
BrandBetter Water Industries #ad
Height1.5 Inches
Length11.5 Inches
Weight2.2 Pounds
Width5.25 Inches
Part NumberC21044




CONTINENTS #ad - 1/4" round balls; 73% calcium hypochlorite; 27% Other ingredients. Pellets are aprox. 4 lb container of chlorine well sanitIZER PELLETS. Maximum use for potable water is 14 mg/L. Also works well for pools, ponds, etc. For use with land-o-matic pentair lp-3000 Dry pellet chlorinator or similar style chlorinators.
ManufacturerH20 Chlorination #ad

3. DryTec


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

DryTec #ad - 68% calcium hypochlorite. Fast-acting quick-Dissolving Swimming Pool Sanitizer. Recommended dosage: 1 pound per 10, 000 gallons of water. 1 bag 1-pound each. Kills bacteria, controls algae, and destroys organic contaminants in pools.
BrandDryTec #ad
ManufacturerRobelle Industries #ad
Height2 Inches
Length12 Inches
Weight1 Pounds
Width3 Inches
Part Number1-1901

4. HTH


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

HTH #ad - 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.

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. 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. Compatibility: effective for all swimming pool types including pools with liners and Gunite pools, and saltwater pool systems.
BrandHTH #ad
ManufacturerInnovative Water Care #ad
Height10 Inches
Length7 Inches
Weight12 Pounds
Width10.5 Inches
Part Number52026

5. Ultima


Ultima 40542 T.K.O. Chlorinating Shock Treatment for Swimming Pools, 1-Pound

Ultima #ad - 73% calcium Hypochlorite. Premium super-fast acting chlorine boost takes cloudy water and turns it clear. Item weight: 1. 0 lbs. Brand: Ultima.
BrandUltima #ad
ManufacturerRobelle Industries #ad
Height2 Inches
Length12 Inches
Weight14 Pounds
Width3 Inches
Part Number40542

6. In The Swim


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

In The Swim #ad - 90% available chlorine. 3" chlorine Tablets are slow-dissolving and stabilized. 8 oz. Individually wrapped tablets in easy-open bags. 99% trichloro-S-Triazinetrione Trichlor. 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

7. HTH


HTH 42042 Super 3" Chlorinating Tablets Swimming Pool Chlorine, 5 lbs

HTH #ad - Benefits: sanitizes and protects your pool water so you can enjoy swimming in clean and clear water all season long. Compatibility: Vinyl-lined pools and saltwater systems. Use: place a tab in pool skimmer, floater, or feeder for simple, diy pool care; 1 tablet treats 10, 000 gallons of water for up to a week. Includes: one 5-lb container of Super Chlorinating Tablets for swimming pools. Features: kills bacteria and algae; Chlorinates for up to 1 week; Clarifies water; Sun protected for longer chlorine life.
BrandHTH #ad
ManufacturerInnovative Water Care #ad
Height6.5 Inches
Length8.25 Inches
Weight5 Pounds
Width9.85 Inches
Part Number42042



4 Gallons, 12.5% Sodium Hypochlorite, Liquid Chlorine Pool Shock Case

LEISURE POOL & SPA SUPPLY INC. LP #ad - Epa reg. Case 4 gallons of commercial Grade Liquid Chlorine Pool Shock! 12. 5% sodium hypochlorite, nsf 50/60 Certified! Approved for sanitization of Surfaces! See CDC Guidlines. No mixing required and ready to Use! - Made in the USA. 55852-3. Perfect for pressure Washers Too! Will not cloud pool. No.
ManufacturerChampion Packaging & Distribution, Inc. #ad
Height11 Inches
Length6 Inches
Weight36 Pounds
Width6 Inches

9. SpaGuard


SpaGuard Spa Chlorinating Concentrate, 5 Lb

SpaGuard #ad - Add as needed to maintain 3-5ppm. Fast acting. May be added directly to spa, no predissolving needed. Quick dissolving. Acts as a sanitizer and an oxidizer; no need for two products.
BrandSpaGuard #ad
ManufacturerSpaGuard #ad
Height7 Inches
Length9 Inches
Weight5 Pounds
Width4 Inches
Part Number42048BIO
WarrantyReturns are not accepted on opened or used products and are subject to a 20% restocking fee.

10. In The Swim


In The Swim Super Pool Opening Chemical Start Up Kit, Up to 30,000 Gallons

In The Swim #ad - Super kit treat up to 30, 000 gallons. Non-metallic algaecide kills and prevents algae blooms without staining your pool. All chemicals are formulated and pre-measured to treat pools of specific sizes. Stain, rust and scale preventer eliminates unsightly stains caused by minerals and is ideal for areas with heavy iron content in the water. Powerful chlorine shock will give your pool an extra boost of fighting power to eradicate the bacteria and other contaminants that have accumulated in your pool over the winter. Sun sorb absorbs oils and lotions from the pool water.
BrandIn The Swim #ad
ManufacturerIn The Swim Discount Pool Supplies #ad
Height8.6 Inches
Length12.6 Inches
Weight16.79 Pounds
Width11.3 Inches
Part NumberKSS300001AE