Swimming Pools & SpasClearance Patio & Garden
Sort by|
Swimming Pools & SpasClearance Patio & Garden

Cal Hypo Tablets

Uses item details. Price when purchased online

Best seller HTH Pool Care Shock Advanced — Granules, 12 Pack (1 lb each) — Pool Shock Treatment for Weekly Pool Sanitizing From $6.14

HTH Pool Care Shock Advanced — Granules, 12 Pack (1 lb each) — Pool Shock Treatment for Weekly Pool Sanitizing
Options
Sponsored
From$614

HTH Pool Care Shock Advanced — Granules, 12 Pack (1 lb each) — Pool Shock Treatment for Weekly Pool Sanitizing

4.6 out of 5 Stars. 9751 reviews

Septicfit Calcium Hypochlorite Tablets Pool Chemicals, 6 Count (4 Pack) $98.95

Septicfit Calcium Hypochlorite Tablets Pool Chemicals, 6 Count (4 Pack)
Sponsored
current price $98.95

Septicfit Calcium Hypochlorite Tablets Pool Chemicals, 6 Count (4 Pack)

4.6 out of 5 Stars. 14 reviews

Doheny's 68% Cal-Hypo Pool Shock, Fast-Dissolving Granular Chlorine, 12 x 1 lb Bags From $39.99

Doheny's 68% Cal-Hypo Pool Shock, Fast-Dissolving Granular Chlorine, 12 x 1 lb Bags
Options
Sponsored
From$3999

Doheny's 68% Cal-Hypo Pool Shock, Fast-Dissolving Granular Chlorine, 12 x 1 lb Bags

4.7 out of 5 Stars. 1558 reviews

Top rated for water clarity HTH 1-inch Chlorine Tablets — Tablet Form, 5 lb — Pool Sanitizer to Kill Algae & Bacteria $40.49 Was $45.59 $8.10/lb

HTH 1-inch Chlorine Tablets — Tablet Form, 5 lb — Pool Sanitizer to Kill Algae & Bacteria
Sponsored
current price Now $40.49, Was $45.59
$8.10/lb

HTH 1-inch Chlorine Tablets — Tablet Form, 5 lb — Pool Sanitizer to Kill Algae & Bacteria

4.9 out of 5 Stars. 194 reviews

100+ bought since yesterday HTH Brilliance Cal Hypo Chlorine Tablets for Swimming Pools, Chlorine Pool Chemicals, 4.75lb $51.58

HTH Brilliance Cal Hypo Chlorine Tablets for Swimming Pools, Chlorine Pool Chemicals, 4.75lb
current price $51.58

HTH Brilliance Cal Hypo Chlorine Tablets for Swimming Pools, Chlorine Pool Chemicals, 4.75lb

4.2 out of 5 Stars. 395 reviews

Innovative Water Care Global Corporation CCH Endurance 3 Inch Calcium Hypochlorite Tabs, 25 lbs. 23227 $178.93

Innovative Water Care Global Corporation CCH Endurance 3 Inch Calcium Hypochlorite Tabs, 25 lbs. 23227
current price $178.93

Innovative Water Care Global Corporation CCH Endurance 3 Inch Calcium Hypochlorite Tabs, 25 lbs. 23227

4.8 out of 5 Stars. 5 reviews

Innovative Water Care - HTH HTH Brilliance Cal Hypo Chlorine Tablets - Single Pack $51.42

Innovative Water Care - HTH HTH Brilliance Cal Hypo Chlorine Tablets - Single Pack
current price $51.42

Innovative Water Care - HTH HTH Brilliance Cal Hypo Chlorine Tablets - Single Pack

Septicfit Calcium Hypochlorite Tablets Pool Chemicals, 6 Count (4 Pack) $98.95

Septicfit Calcium Hypochlorite Tablets Pool Chemicals, 6 Count (4 Pack)
current price $98.95

Septicfit Calcium Hypochlorite Tablets Pool Chemicals, 6 Count (4 Pack)

4.6 out of 5 Stars. 14 reviews

Pool Breeze Optimight Cal Hypo Tablets 88440-20.2 LB Chlorination Solution with My Garden Pool 7 in 1 Test Strips & Scum Socks $145.00

Pool Breeze Optimight Cal Hypo Tablets 88440-20.2 LB Chlorination Solution with My Garden Pool 7 in 1 Test Strips & Scum Socks
current price $145.00

Pool Breeze Optimight Cal Hypo Tablets 88440-20.2 LB Chlorination Solution with My Garden Pool 7 in 1 Test Strips & Scum Socks

In The Swim Chlorine and Shock Bundle for Sanitizing Swimming Pools – Includes 50 Pound Bucket of 3 Inch Stabilized Chlorine Tablets and 25 Pound Bucket of 68% Cal-Hypo Pool Shock From $199.98

In The Swim Chlorine and Shock Bundle for Sanitizing Swimming Pools – Includes 50 Pound Bucket of 3 Inch Stabilized Chlorine Tablets and 25 Pound Bucket of 68% Cal-Hypo Pool Shock
Available in additional 3 options
Options
From$19998

In The Swim Chlorine and Shock Bundle for Sanitizing Swimming Pools – Includes 50 Pound Bucket of 3 Inch Stabilized Chlorine Tablets and 25 Pound Bucket of 68% Cal-Hypo Pool Shock

5 out of 5 Stars. 1 reviews

Best seller HTH 1 Inch Chlorine Tablets 1.5 lb Pool Sanitizer for Algae and Bacteria Prevention From $13.63

HTH 1 Inch Chlorine Tablets 1.5 lb Pool Sanitizer for Algae and Bacteria Prevention
Options
Sponsored
From$1363

HTH 1 Inch Chlorine Tablets 1.5 lb Pool Sanitizer for Algae and Bacteria Prevention

4.7 out of 5 Stars. 1780 reviews

HTH 3-inch Chlorine Tablets — Tablet, 6 oz — Pool Sanitizer for Algae Control and Safe for All Pool Types $4.97 82.8 ¢/oz

HTH 3-inch Chlorine Tablets — Tablet, 6 oz — Pool Sanitizer for Algae Control and Safe for All Pool Types
Sponsored
current price $4.97
82.8 ¢/oz

HTH 3-inch Chlorine Tablets — Tablet, 6 oz — Pool Sanitizer for Algae Control and Safe for All Pool Types

4.8 out of 5 Stars. 97 reviews

In The Swim Chlorine and Shock Bundle for Sanitizing Swimming Pools – includes 5 Pound Bucket of 3 Inch Stabilized Chlorine Tablets and 6 x 1 Pound Bags of 68% Cal-Hypo Pool Shock From $69.98

In The Swim Chlorine and Shock Bundle for Sanitizing Swimming Pools – includes 5 Pound Bucket of 3 Inch Stabilized Chlorine Tablets and 6 x 1 Pound Bags of 68% Cal-Hypo Pool Shock
Available in additional 3 options
Options
From$6998

In The Swim Chlorine and Shock Bundle for Sanitizing Swimming Pools – includes 5 Pound Bucket of 3 Inch Stabilized Chlorine Tablets and 6 x 1 Pound Bags of 68% Cal-Hypo Pool Shock

4.4 out of 5 Stars. 12 reviews

In The Swim Shock and Chlorine Bundle for Sanitizing Swimming Pools – Includes 12 x 1 Pound Bags of 68% Cal-Hypo Pool Shock and 25 Pound Bucket of 3 Inch Stabilized Chlorine Tablets ITS_25235 12X1 From $144.98

In The Swim Shock and Chlorine Bundle for Sanitizing Swimming Pools – Includes 12 x 1 Pound Bags of 68% Cal-Hypo Pool Shock and 25 Pound Bucket of 3 Inch Stabilized Chlorine Tablets ITS_25235 12X1
Options
From$14498

In The Swim Shock and Chlorine Bundle for Sanitizing Swimming Pools – Includes 12 x 1 Pound Bags of 68% Cal-Hypo Pool Shock and 25 Pound Bucket of 3 Inch Stabilized Chlorine Tablets ITS_25235 12X1

5 out of 5 Stars. 1 reviews

Rollback In The Swim Chlorine and Shock Bundle for Sanitizing Swimming Pools – Includes 9 Pound Bucket of 5-in-1 Super Multi-Tablets and 6 x 1 Pound Bags of 68% Cal-Hypo Pool Shock From $124.99

In The Swim Chlorine and Shock Bundle for Sanitizing Swimming Pools – Includes 9 Pound Bucket of 5-in-1 Super Multi-Tablets and 6 x 1 Pound Bags of 68% Cal-Hypo Pool Shock
Available in additional 3 options
Options
From$12499

In The Swim Chlorine and Shock Bundle for Sanitizing Swimming Pools – Includes 9 Pound Bucket of 5-in-1 Super Multi-Tablets and 6 x 1 Pound Bags of 68% Cal-Hypo Pool Shock

Innovative Water Care - HTH HTH Brilliance Cal Hypo Chlorine Tablets - Pack of 2 $105.28

Innovative Water Care - HTH HTH Brilliance Cal Hypo Chlorine Tablets - Pack of 2
current price $105.28

Innovative Water Care - HTH HTH Brilliance Cal Hypo Chlorine Tablets - Pack of 2

Arch Chemicals 73100 Cal-Hypo Tablet Feeder $686.59

Arch Chemicals 73100 Cal-Hypo Tablet Feeder
current price $686.59

Arch Chemicals 73100 Cal-Hypo Tablet Feeder

Innovative Water Care - HTH HTH Brilliance Cal Hypo Chlorine Tablets - Pack of 4 $210.56

Innovative Water Care - HTH HTH Brilliance Cal Hypo Chlorine Tablets - Pack of 4
current price $210.56

Innovative Water Care - HTH HTH Brilliance Cal Hypo Chlorine Tablets - Pack of 4

Top rated for algae control In The Swim Pool Shock – 68% Cal-Hypo Granular Sanitizer for Crystal Clear Water – Defends Against Bacteria, Algae, and Microorganisms - 25 Pounds 25237 See price in cart

In The Swim Pool Shock – 68% Cal-Hypo Granular Sanitizer for Crystal Clear Water – Defends Against Bacteria, Algae, and Microorganisms - 25 Pounds 25237
Options
Sponsored
See price in cart

In The Swim Pool Shock – 68% Cal-Hypo Granular Sanitizer for Crystal Clear Water – Defends Against Bacteria, Algae, and Microorganisms - 25 Pounds 25237

4.5 out of 5 Stars. 930 reviews

All Chem Industries All-Chem Industries pHree & Clear Pool Balance & Clarifier Tablets, 10 lbs – Fast-Dissolving Alkalinity & pH Control – Prevents pH Bounce F185010040CD $49.99 $5.00/lb

All Chem Industries All-Chem Industries pHree & Clear Pool Balance & Clarifier Tablets, 10 lbs – Fast-Dissolving Alkalinity & pH Control – Prevents pH Bounce F185010040CD
Sponsored
current price $49.99
$5.00/lb

All Chem Industries All-Chem Industries pHree & Clear Pool Balance & Clarifier Tablets, 10 lbs – Fast-Dissolving Alkalinity & pH Control – Prevents pH Bounce F185010040CD

4.3 out of 5 Stars. 28 reviews

AquaDoc Bromine Tablets for Spa Hot Tub - 3.5lbs Sanitizing Bromine for Hot Tubs - 1 Inch Spa Tablets $55.99

AquaDoc Bromine Tablets for Spa Hot Tub - 3.5lbs Sanitizing Bromine for Hot Tubs - 1 Inch Spa Tablets
Sponsored
current price $55.99

AquaDoc Bromine Tablets for Spa Hot Tub - 3.5lbs Sanitizing Bromine for Hot Tubs - 1 Inch Spa Tablets

5 out of 5 Stars. 3 reviews

HTH 3-inch Chlorine Tablets Advanced — Tablets (Form), 25 lb — Chlorinating tablets (pool chemical type) to sanitize pool water From $10.99

HTH 3-inch Chlorine Tablets Advanced — Tablets (Form), 25 lb — Chlorinating tablets (pool chemical type) to sanitize pool water
Options
Sponsored
From$1099

HTH 3-inch Chlorine Tablets Advanced — Tablets (Form), 25 lb — Chlorinating tablets (pool chemical type) to sanitize pool water

4.5 out of 5 Stars. 6720 reviews

Other options to consider

Best seller Clorox Pool&Spa XtraBlue+ 3" Chlorinating Tablets Form Chlorine Pool Chemicals 6oz $5.97 99.5 ¢/oz

Clorox Pool&Spa XtraBlue+ 3" Chlorinating Tablets Form Chlorine Pool Chemicals 6oz
current price $5.97
99.5 ¢/oz

Clorox Pool&Spa XtraBlue+ 3" Chlorinating Tablets Form Chlorine Pool Chemicals 6oz

4.5 out of 5 Stars. 2459 reviews

Best seller HTH 1 Inch Chlorine Tablets 1.5 lb Pool Sanitizer for Algae and Bacteria Prevention

HTH 1 Inch Chlorine Tablets 1.5 lb Pool Sanitizer for Algae and Bacteria Prevention

HTH 1 Inch Chlorine Tablets 1.5 lb Pool Sanitizer for Algae and Bacteria Prevention

4.7 out of 5 Stars. 1780 reviews

Poolife Calcium Plus ( 8 lb ) $17.99

Poolife Calcium Plus ( 8 lb )
current price $17.99

Poolife Calcium Plus ( 8 lb )

5 out of 5 Stars. 1 reviews

In The Swim Its Pool Shock 6 x 1 68% 25234 6X1 From $34.99

In The Swim Its Pool Shock 6 x 1 68% 25234 6X1
Available in additional 5 options
Options
From$3499

In The Swim Its Pool Shock 6 x 1 68% 25234 6X1

4.5 out of 5 Stars. 930 reviews

HTH Pool Care 3" Chlorine Tablet Advanced, Pool Chemical Sanitizer, for Routine Chlorination

HTH Pool Care 3" Chlorine Tablet Advanced, Pool Chemical Sanitizer, for Routine Chlorination
Available in additional 3 options

HTH Pool Care 3" Chlorine Tablet Advanced, Pool Chemical Sanitizer, for Routine Chlorination

4.5 out of 5 Stars. 6720 reviews

In The Swim Fast Acting Chlorine and Shock Bundle, 62 lbs, 2 Count, (12 pack) $209.98

In The Swim Fast Acting Chlorine and Shock Bundle, 62 lbs, 2 Count, (12 pack)
current price $209.98

In The Swim Fast Acting Chlorine and Shock Bundle, 62 lbs, 2 Count, (12 pack)

2K+ bought since yesterday HTH Pool Care Shock Advanced — Granules, 6 Pack (6 lb total) — Pool Shock Treatment for Weekly Pool Sanitizing From $6.14

HTH Pool Care Shock Advanced — Granules, 6 Pack (6 lb total) — Pool Shock Treatment for Weekly Pool Sanitizing
Available in additional 3 options
Options
From$614

HTH Pool Care Shock Advanced — Granules, 6 Pack (6 lb total) — Pool Shock Treatment for Weekly Pool Sanitizing

4.6 out of 5 Stars. 9751 reviews

Reduced price In The Swim 1 Inch Bromine Plus Tablet Sanitizer for Spas, Hot Tubs, or Swimming Pools - Pre-Stabilized, Low Odor, Chlorine Alternative – 3.5 Pounds U138004032AE From $49.99

In The Swim 1 Inch Bromine Plus Tablet Sanitizer for Spas, Hot Tubs, or Swimming Pools - Pre-Stabilized, Low Odor, Chlorine Alternative – 3.5 Pounds U138004032AE
Available in additional 4 options
Options
From$4999

In The Swim 1 Inch Bromine Plus Tablet Sanitizer for Spas, Hot Tubs, or Swimming Pools - Pre-Stabilized, Low Odor, Chlorine Alternative – 3.5 Pounds U138004032AE

4.7 out of 5 Stars. 52 reviews

Refresh 68% Calcium Hypochlorite Granular Chlorine, 25 lb $139.99

Refresh 68% Calcium Hypochlorite Granular Chlorine, 25 lb
current price $139.99

Refresh 68% Calcium Hypochlorite Granular Chlorine, 25 lb

5 out of 5 Stars. 2 reviews

1K+ bought since yesterday Clorox Pool&Spa XtraBlue 3" Chlorinating Tablets Chlorine Pool Chemicals , 5lb From $41.97

Clorox Pool&Spa XtraBlue 3" Chlorinating Tablets Chlorine Pool Chemicals , 5lb
Available in additional 4 options
Options
From$4197

Clorox Pool&Spa XtraBlue 3" Chlorinating Tablets Chlorine Pool Chemicals , 5lb

4.5 out of 5 Stars. 6701 reviews

(2 pack) HTH 3-inch Chlorine Tablet Advanced — Tablet, 6 oz — Pool Sanitizer for Swimming Pools

(2 pack) HTH 3-inch Chlorine Tablet Advanced — Tablet, 6 oz — Pool Sanitizer for Swimming Pools

(2 pack) HTH 3-inch Chlorine Tablet Advanced — Tablet, 6 oz — Pool Sanitizer for Swimming Pools

Aquatick Pool Shock 68% Calcium Hypochlorite 25 LB Chlorine Granules for Swimming Pool, Spa & Hot Tub Fast-Dissolving Algaecide & Bacteria Eliminator Powerful Pool Sanitizer Clean & Clear Water $80.74

Aquatick Pool Shock 68% Calcium Hypochlorite 25 LB Chlorine Granules for Swimming Pool, Spa & Hot Tub Fast-Dissolving Algaecide & Bacteria Eliminator Powerful Pool Sanitizer Clean & Clear Water
current price $80.74

Aquatick Pool Shock 68% Calcium Hypochlorite 25 LB Chlorine Granules for Swimming Pool, Spa & Hot Tub Fast-Dissolving Algaecide & Bacteria Eliminator Powerful Pool Sanitizer Clean & Clear Water

3.9 out of 5 Stars. 13 reviews

HTH 3-inch Chlorine Tablets Tablet, 6 oz Pool Sanitizer for Algae Control and Safe for All Pool Types $4.97 82.8 ¢/oz

HTH 3-inch Chlorine Tablets Tablet, 6 oz Pool Sanitizer for Algae Control and Safe for All Pool Types
current price $4.97
82.8 ¢/oz

HTH 3-inch Chlorine Tablets Tablet, 6 oz Pool Sanitizer for Algae Control and Safe for All Pool Types

4.8 out of 5 Stars. 97 reviews

In The Swim 1 Inch Stabilized Chlorine Tablets for Sanitizing Swimming Pools - Fast Dissolving - 90% Available Chlorine - Tri-Chlor - 50 Pounds U001050050AE From $39.99

In The Swim 1 Inch Stabilized Chlorine Tablets for Sanitizing Swimming Pools - Fast Dissolving - 90% Available Chlorine - Tri-Chlor - 50 Pounds U001050050AE
Available in additional 4 options
Options
From$3999

In The Swim 1 Inch Stabilized Chlorine Tablets for Sanitizing Swimming Pools - Fast Dissolving - 90% Available Chlorine - Tri-Chlor - 50 Pounds U001050050AE

4.3 out of 5 Stars. 74 reviews

Aqua-Org Plus Calcium Hypochlorite Chlorinating Shock Treatment for Swimming Pools, 24 Pack, 1lb From $79.95

Aqua-Org Plus Calcium Hypochlorite Chlorinating Shock Treatment for Swimming Pools, 24 Pack, 1lb
Available in additional 4 options
Options
From$7995

Aqua-Org Plus Calcium Hypochlorite Chlorinating Shock Treatment for Swimming Pools, 24 Pack, 1lb

4.1 out of 5 Stars. 83 reviews

(3 pack) HTH Pool Care Shock Advanced — Granules, 1 lb — Pool Shock Treatment for Weekly Use

(3 pack) HTH Pool Care Shock Advanced — Granules, 1 lb — Pool Shock Treatment for Weekly Use

(3 pack) HTH Pool Care Shock Advanced — Granules, 1 lb — Pool Shock Treatment for Weekly Use

Puri Tech 3" Chlorine Tablets for Pools 12 lb Individually Wrapped, Long-Lasting, Slow-Dissolving Sanitizer for Swimming Pool Water $66.99

Puri Tech 3" Chlorine Tablets for Pools 12 lb Individually Wrapped, Long-Lasting, Slow-Dissolving Sanitizer for Swimming Pool Water
current price $66.99

Puri Tech 3" Chlorine Tablets for Pools 12 lb Individually Wrapped, Long-Lasting, Slow-Dissolving Sanitizer for Swimming Pool Water

5 out of 5 Stars. 1 reviews

Dry Tec 68% Calcium Hypochlorite Granular Swimming Pool Shock - 1 lb From $15.95

Dry Tec 68% Calcium Hypochlorite Granular Swimming Pool Shock - 1 lb
Available in additional 3 options
Options
From$1595

Dry Tec 68% Calcium Hypochlorite Granular Swimming Pool Shock - 1 lb

4.7 out of 5 Stars. 47 reviews

Puri Tech 3" Chlorine Tablets for Pools 8 lb Individually Wrapped, Long-Lasting, Slow-Dissolving Sanitizer for Swimming Pool Water $51.99

Puri Tech 3" Chlorine Tablets for Pools 8 lb Individually Wrapped, Long-Lasting, Slow-Dissolving Sanitizer for Swimming Pool Water
current price $51.99

Puri Tech 3" Chlorine Tablets for Pools 8 lb Individually Wrapped, Long-Lasting, Slow-Dissolving Sanitizer for Swimming Pool Water

4 out of 5 Stars. 1 reviews

SpaGuard Non-Chlorine Shock Rapid Dissolve Tablets $25.30

SpaGuard Non-Chlorine Shock Rapid Dissolve Tablets
current price $25.30

SpaGuard Non-Chlorine Shock Rapid Dissolve Tablets

5 out of 5 Stars. 1 reviews

HTH Ultra Chlorine Tablets Swimming Pool Sanitizer - 3" Tablets - 8 lbs $81.02

HTH Ultra Chlorine Tablets Swimming Pool Sanitizer - 3" Tablets - 8 lbs
current price $81.02

HTH Ultra Chlorine Tablets Swimming Pool Sanitizer - 3" Tablets - 8 lbs

5 out of 5 Stars. 51 reviews

Calcium Hardness Tabs - Box of 1000 $65.01

Calcium Hardness Tabs - Box of 1000
current price $65.01

Calcium Hardness Tabs - Box of 1000

Pool Central Maintain Pool Pro Clear N Silky Borate Tablets - 20 lbs. $101.99

Pool Central Maintain Pool Pro Clear N Silky Borate Tablets - 20 lbs.
current price $101.99

Pool Central Maintain Pool Pro Clear N Silky Borate Tablets - 20 lbs.

Puri Tech 3" Chlorine Tablets for Pools 16 lb Individually Wrapped, Long-Lasting, Slow-Dissolving Sanitizer for Swimming Pool Water $82.99

Puri Tech 3" Chlorine Tablets for Pools 16 lb Individually Wrapped, Long-Lasting, Slow-Dissolving Sanitizer for Swimming Pool Water
current price $82.99

Puri Tech 3" Chlorine Tablets for Pools 16 lb Individually Wrapped, Long-Lasting, Slow-Dissolving Sanitizer for Swimming Pool Water

Bioguard SilkGuard Complete 3" Tablets, Pool Sanitizer, 12# Bucket $104.99

Bioguard SilkGuard Complete 3" Tablets, Pool Sanitizer, 12# Bucket
current price $104.99

Bioguard SilkGuard Complete 3" Tablets, Pool Sanitizer, 12# Bucket

4.2 out of 5 Stars. 5 reviews

(3 pack) HTH 1 Inch Chlorine Tablets 1.5 lb Pool Sanitizer for Algae and Bacteria Prevention

(3 pack) HTH 1 Inch Chlorine Tablets 1.5 lb Pool Sanitizer for Algae and Bacteria Prevention

(3 pack) HTH 1 Inch Chlorine Tablets 1.5 lb Pool Sanitizer for Algae and Bacteria Prevention

Popular in Cal Hypo Tablets

Related Products