Top 8 73% Calcium Hypochlorite 100lbs – Swimming Pool Chlorine

As an Amazon Associate I earn from qualifying purchases.

1. unp H


NAZHUA Zappit 73% Cal Hypo Pool Shock, Calcium Hypochlorite Super Shock 50lb

unp H #ad - Fast dissolving granular formula. 70% available chlorine, Pool Shock and Super Chlorinator. Signature required at time of delivery. 1 lb will provide 2ppm of available chlorine in 40, 000 gallon pool. Available in 50lb buckets- 100lb option arrives as two 50lb buckets for no extra charge! .
Brandunp H #ad
ManufacturerAxiall #ad
Height12.8 Inches
Length18.8 Inches
Weight50 Pounds
Width12.8 Inches
Part Number8000560

2. In The Swim


In The Swim Calcium Hypochlorite Chlorine Granular Pool Shock, 50 Pounds

In The Swim #ad - Note: this item cannot be shipped to Alaska or Hawaii item will be removed from your order. Fast-acting calcium hypochlorite Cal-Chlor chlorine granules provide 68% available chlorine for hard-hitting immediate results! Clears cloudy water or dull water appearance. Must pre-dissolve/dilute to prevent bleaching of the liner. Note: a valid phone number is required to ship this item, you must be present to sign for delivery. Non-stabilized formula is ideal for super shocking or everyday use, contains no cyanuric acid. Cal-chlor granules can be used in swimming pools, spas and hot tubs.
BrandIn The Swim #ad
ManufacturerIn The Swim #ad
Height13 Inches
Length21 Inches
Weight50 Pounds
Width13 Inches
Part Number25230

3. DryTec


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

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

4. Doheny's


Doheny's Chlorine Super Shock 50 lb. Bulk 2 x 25 lb. Bucket

Doheny's #ad - 65% available Chlorine. Powerful chlorine shock treatment that is great for regular maintenance. Main active ingredient is 68% Calcium Hypochlorite Cal-Hypo. Dosage: 1 pound per 10, 000 gallons. Quickly eliminates algae, bacteria, and other harmful contaminants from your pool water.
BrandDoheny's #ad
ManufacturerDoheny's #ad
Weight50 Pounds

5. Rx Clear


Algaecide, Rx Clear Stabilized Granular Chlorine | One 50-Pound Bucket | Use As Bactericide, and Disinfectant in Swimming Pools and Spas | Fast Dissolving and UV Protected

Rx Clear #ad - Trusted pool supplies - Rx Clear is the best choice for swimming pool accessories and pool chemicals and supplies. The granular chlorine is 99% sodium diclor making a relaxing swim not as harsh.

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. This granular chlorine dissolves in a 4-foot column, pool algaecide, meaning less chemical adjustments to be made by you! This pool chlorinator acts as a sanitizer, so there is no need to worry about bleach damage on your pool liner as with chlorine tablets.

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. Fewer chemicals needed - our dichlor is ph neutral, and disinfectant. Clear water for safe swimming - swimming in crystal clear water does not mean your skin has to suffer.
BrandRx Clear #ad
ManufacturerRx Clear #ad
Height18 Inches
Length13 Inches
Weight50 Pounds
Width13 Inches
Part Number204046

6. HTH


1 lb Pack of 15, HTH 52123 Super Shock Treatment Swimming Pool Chlorine Cleaner

HTH #ad - Includes: 15 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. Compatibility: effective for all swimming pool types including pools with liners and Gunite pools, and saltwater pool systems. 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.
BrandHTH #ad
ManufacturerHTH #ad
Height9.5 Inches
Length4.13 Inches
Weight1 Pounds
Width20.5 Inches
Part Number52123

7. Septicfit


6 Tablet Pails, 4 Pail Value Pack, 8.2 lbs, NOT for USE in Swimming Pools, Septicfit Septic Chlorine Tablet

Septicfit #ad - Not for use in swimming pools. Resealable Containers. Designed for use in Aerobic Treatment Systems. 4 pail value pack - 6 Tablet Pails. 68% calcium Hypochlorite.
BrandSepticfit #ad
ManufacturerAquafit Chlorination Systems #ad
Height6 inches
Length15 inches
Weight8.2 Pounds
Width15 inches
Part Number92666-03024

8. In The Swim


In The Swim Calcium Hardness Increaser 45 lbs Y7220

In The Swim #ad - Dosage 6 lbs per 10, 000 gallons to raise calcium hardness level about 50 ppm. Increases calcium hardness level. Average 97% Calcium Chloride. Do not pre mix. Prevents aggressive or corrosive water.
BrandIn The Swim #ad
ManufacturerIn The Swim #ad
Height18.6 inches
Length12.5 inches
Weight48 Pounds
Width10.3 inches
Part NumberY7220