Pool Calcium(284)
Uses item details. Price when purchased online
Doheny's 68% Cal-Hypo Pool Shock, Fast-Dissolving Granular Chlorine, 24 x 1 lb Bags From $39.99
Sponsored
From$3999
Doheny's 68% Cal-Hypo Pool Shock, Fast-Dissolving Granular Chlorine, 24 x 1 lb Bags
15504.7 out of 5 Stars. 1550 reviews
Leisure Pool Calcium Hardness Increaser (Calcium Chloride, Flakes) | 50 lb. Pail $119.99
Sponsored
$11999
current price $119.99Leisure Pool Calcium Hardness Increaser (Calcium Chloride, Flakes) | 50 lb. Pail
AquaDoc Pool & Spa Stain and Scale Control for Hot Tubs - 64oz - Pool Stain Remover that Helps Prevent & Remove Calcium, Iron, Copper & Rust Buildup - Made in USA $33.99 Was $39.99
Sponsored
Now$3399
current price Now $33.99, Was $39.99$39.99
AquaDoc Pool & Spa Stain and Scale Control for Hot Tubs - 64oz - Pool Stain Remover that Helps Prevent & Remove Calcium, Iron, Copper & Rust Buildup - Made in USA
33.7 out of 5 Stars. 3 reviews
AquaDoc Spa Calcium Hardness Increaser - 32 oz - Calcium Chloride Granules for Balanced Hot Tub Water - Made in USA $28.99
Sponsored
$2899
current price $28.99AquaDoc Spa Calcium Hardness Increaser - 32 oz - Calcium Chloride Granules for Balanced Hot Tub Water - Made in USA
Overall pick Clorox Pool&Spa Calcium Increaser Pool Water Balancers Granules, 4 lb Bag From $11.82
2 options
Available in additional 2 optionsFrom$1182
Clorox Pool&Spa Calcium Increaser Pool Water Balancers Granules, 4 lb Bag
5304.6 out of 5 Stars. 530 reviews
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HTH Pool Care Calcium Hardness Increaser — Granules, 4 lb — Pool Chemical to Raise Calcium Hardness and Improve Water Balance Was $15.99
HTH Pool Care Calcium Hardness Increaser — Granules, 4 lb — Pool Chemical to Raise Calcium Hardness and Improve Water Balance
1844.8 out of 5 Stars. 184 reviews
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Doheny's Calcium Plus | Raise Your Calcium Hardness Level | Pro-Grade Granular/Flake Calcium Chloride | Low Calcium Hardness Levels Lead to Corrosion & Staining On Pool Surfaces and Fixtures | 5 LB From $26.99
3 options
Available in additional 3 optionsFrom$2699
Doheny's Calcium Plus | Raise Your Calcium Hardness Level | Pro-Grade Granular/Flake Calcium Chloride | Low Calcium Hardness Levels Lead to Corrosion & Staining On Pool Surfaces and Fixtures | 5 LB
564.6 out of 5 Stars. 56 reviews
In The Swim Calcium Hardness Increaser 25 lbs Y7210 From $59.99
2 options
Available in additional 2 optionsFrom$5999
In The Swim Calcium Hardness Increaser 25 lbs Y7210
824.7 out of 5 Stars. 82 reviews
Poolife Calcium Plus ( 8 lb ) $17.99
$1799
current price $17.99Poolife Calcium Plus ( 8 lb )
15 out of 5 Stars. 1 reviews
Rx Clear Calcium Hardness Increaser for Swimming Pools, 4 lbs From $21.95
3 options
Available in additional 3 optionsFrom$2195
Rx Clear Calcium Hardness Increaser for Swimming Pools, 4 lbs
664.7 out of 5 Stars. 66 reviews
EasyCare 20064 Scaletec Plus Pool Descaler & Stain Remover 64 oz + QueBuy Pool Log Book $51.97
Sponsored
$5197
current price $51.97EasyCare 20064 Scaletec Plus Pool Descaler & Stain Remover 64 oz + QueBuy Pool Log Book
33.3 out of 5 Stars. 3 reviews
In 100+ people's carts HTH Pool Care Shock Advanced — Granules, 12 Pack (1 lb each) — Pool Shock Treatment for Weekly Pool Sanitizing From $6.14
Sponsored
From$614
HTH Pool Care Shock Advanced — Granules, 12 Pack (1 lb each) — Pool Shock Treatment for Weekly Pool Sanitizing
94344.6 out of 5 Stars. 9434 reviews
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Puri Tech Powder Calcium Hardness Increaser 40 lbs Calcium Chloride for Swimming Pools $65.88
$6588
current price $65.88Puri Tech Powder Calcium Hardness Increaser 40 lbs Calcium Chloride for Swimming Pools
354.7 out of 5 Stars. 35 reviews
O-ACE-sis TF086025025OAC Granule Non Chlorine Calcium Hardness Increaser 25 lbs. $55.06
$5506
current price $55.06O-ACE-sis TF086025025OAC Granule Non Chlorine Calcium Hardness Increaser 25 lbs.
25 out of 5 Stars. 2 reviews
ProTeam Calcium Up 10lb Bucket Calcium Hardness Increaser in Swimming Pool & Spa $33.38
$3338
current price $33.38ProTeam Calcium Up 10lb Bucket Calcium Hardness Increaser in Swimming Pool & Spa
15 out of 5 Stars. 1 reviews
Leisure Pool Calcium Hardness Increaser (Calcium Chloride, Flakes) | 50 lb. Pail $119.99
$11999
current price $119.99Leisure Pool Calcium Hardness Increaser (Calcium Chloride, Flakes) | 50 lb. Pail
Top rated for algae control In The Swim Its Pool Shock 6 x 1 68% 25234 6X1 From $34.99
5 options
Available in additional 5 optionsFrom$3499
In The Swim Its Pool Shock 6 x 1 68% 25234 6X1
9264.5 out of 5 Stars. 926 reviews
Puri Tech Powder Pool Chemicals 15 lb Calcium Hardness Increaser Plus & Spas Increases Calcium Hardness Levels $28.60
$2860
current price $28.60Puri Tech Powder Pool Chemicals 15 lb Calcium Hardness Increaser Plus & Spas Increases Calcium Hardness Levels
23 out of 5 Stars. 2 reviews
Puri Tech Powder Pool Chemicals 20 lb Calcium Hardness Increaser Plus for Pools & Spas $47.99
$4799
current price $47.99Puri Tech Powder Pool Chemicals 20 lb Calcium Hardness Increaser Plus for Pools & Spas
134.8 out of 5 Stars. 13 reviews
Puri Tech Powder Pool Chemicals 10 lb Calcium Hardness Increaser Plus for Swimming Pools & Spas $34.99
$3499
current price $34.99Puri Tech Powder Pool Chemicals 10 lb Calcium Hardness Increaser Plus for Swimming Pools & Spas
FROG SooTHe Calcium Total Hardness Increaser for Hot Tubs & Swim Spas - 2 lb Bottle with TruDose Measuring Cap for Easy Maintenance & Balancing - 2 Pack $27.90
Sponsored
$2790
current price $27.90FROG SooTHe Calcium Total Hardness Increaser for Hot Tubs & Swim Spas - 2 lb Bottle with TruDose Measuring Cap for Easy Maintenance & Balancing - 2 Pack
MAV AquaDoc Pool Calcium Hardness Increaser - 10lb - Fast-Dissolving Calcium Chloride for Swimming Pools - Made in The USA $40.99
Sponsored
$4099
current price $40.99MAV AquaDoc Pool Calcium Hardness Increaser - 10lb - Fast-Dissolving Calcium Chloride for Swimming Pools - Made in The USA
15 out of 5 Stars. 1 reviews
Robelle Calcium Hardness Increaser -16 Lbs
2 options
Available in additional 2 optionsRobelle Calcium Hardness Increaser -16 Lbs
15 out of 5 Stars. 1 reviews
100+ bought since yesterday Clorox Pool&Spa Scale, Metal and Stain Control for Swimming Pools, 32 oz Liquid Swimming Pool Stain Remover From $15.97
2 options
Available in additional 2 optionsFrom$1597
Clorox Pool&Spa Scale, Metal and Stain Control for Swimming Pools, 32 oz Liquid Swimming Pool Stain Remover
7914.5 out of 5 Stars. 791 reviews
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Pacifi Clear Calcium Hardness Increaser Granules - Pool Water Balancer - 25 Lbs $56.14
$5614
current price $56.14Pacifi Clear Calcium Hardness Increaser Granules - Pool Water Balancer - 25 Lbs
Calcium Hardness Increaser $13.99 66.7 ¢/ea
$1399
current price $13.9966.7 ¢/ea
Calcium Hardness Increaser
125 out of 5 Stars. 12 reviews
Quality Producer Direct Calcium Hardness Increaser 1 Gallon Calcium Chloride Powder for Pools & Hot Tubs $26.99
$2699
current price $26.99Quality Producer Direct Calcium Hardness Increaser 1 Gallon Calcium Chloride Powder for Pools & Hot Tubs
ProTeam Calcium Up 25 lb Bucket Calcium Hardness Increaser for Swimming Pools $61.87
$6187
current price $61.87ProTeam Calcium Up 25 lb Bucket Calcium Hardness Increaser for Swimming Pools
15 out of 5 Stars. 1 reviews
Doheny's 68% Cal-Hypo Pool Shock, Fast-Dissolving Granular Chlorine, 6 x 1 lb Bags From $39.99
3 options
Available in additional 3 optionsFrom$3999
Doheny's 68% Cal-Hypo Pool Shock, Fast-Dissolving Granular Chlorine, 6 x 1 lb Bags
15504.7 out of 5 Stars. 1550 reviews
hth Calcium Hardness Increaser $23.70
$2370
current price $23.70hth Calcium Hardness Increaser
Puri Tech Powder Calcium Hardness Increaser 40 lbs Calcium Chloride for Swimming Pools $65.88
Sponsored
$6588
current price $65.88Puri Tech Powder Calcium Hardness Increaser 40 lbs Calcium Chloride for Swimming Pools
354.7 out of 5 Stars. 35 reviews
Leisure Pool Calcium Hardness Increaser (Calcium Chloride 83-87%) - 25 lb. Pail $74.99
Sponsored
$7499
current price $74.99Leisure Pool Calcium Hardness Increaser (Calcium Chloride 83-87%) - 25 lb. Pail
15 out of 5 Stars. 1 reviews
Clearance Multipurpose Cleaner Hwkond Pumice Stone For Pool Cleaning Calcium Removes For Pool Tiles Pool Cleaner To Removes Rust And Grime Was $6.43
Multipurpose Cleaner Hwkond Pumice Stone For Pool Cleaning Calcium Removes For Pool Tiles Pool Cleaner To Removes Rust And Grime
Refresh 68% Calcium Hypochlorite Granular Chlorine, 25 lb $139.99
$13999
current price $139.99Refresh 68% Calcium Hypochlorite Granular Chlorine, 25 lb
25 out of 5 Stars. 2 reviews
Leisure Pool Calcium Hardness Increaser (Calcium Chloride 83-87%) - 25 lb. Pail $74.99
$7499
current price $74.99Leisure Pool Calcium Hardness Increaser (Calcium Chloride 83-87%) - 25 lb. Pail
15 out of 5 Stars. 1 reviews
Taylor Water Technologies TTR0011LA Taylor No. 11 Calcium Liquid $21.47
$2147
current price $21.47Taylor Water Technologies TTR0011LA Taylor No. 11 Calcium Liquid
Dry Tec 68% Calcium Hypochlorite Chlorinating Shock Treatment for Swimming Pools, 12 Pack $89.99
$8999
current price $89.99Dry Tec 68% Calcium Hypochlorite Chlorinating Shock Treatment for Swimming Pools, 12 Pack
94.9 out of 5 Stars. 9 reviews
EZ Spa Calcium Hardness Increaser 1lb EZSC1 $17.79
$1779
current price $17.79EZ Spa Calcium Hardness Increaser 1lb EZSC1
25 out of 5 Stars. 2 reviews
AquaDoc Spa Calcium Hardness Increaser - 32 oz - Calcium Chloride Granules for Balanced Hot Tub Water - Made in USA $28.99
$2899
current price $28.99AquaDoc Spa Calcium Hardness Increaser - 32 oz - Calcium Chloride Granules for Balanced Hot Tub Water - Made in USA
Septicfit Calcium Hypochlorite Tablets Pool Chemicals, 6 Count (4 Pack) $98.95
$9895
current price $98.95Septicfit Calcium Hypochlorite Tablets Pool Chemicals, 6 Count (4 Pack)
144.6 out of 5 Stars. 14 reviews
BioGuard Balance Pak 300 (7lb) $24.99
$2499
current price $24.99BioGuard Balance Pak 300 (7lb)
24 out of 5 Stars. 2 reviews
MAV AquaDoc Pool Calcium Hardness Increaser - 10lb - Fast-Dissolving Calcium Chloride for Swimming Pools - Made in The USA $40.99
$4099
current price $40.99MAV AquaDoc Pool Calcium Hardness Increaser - 10lb - Fast-Dissolving Calcium Chloride for Swimming Pools - Made in The USA
15 out of 5 Stars. 1 reviews
Caribbean Spa Calcium Hardness Increaser for Hot Tubs- 16 oz. $17.99
$1799
current price $17.99Caribbean Spa Calcium Hardness Increaser for Hot Tubs- 16 oz.
35 out of 5 Stars. 3 reviews
HotSpring Spa Vanishing Act Calcium Remover 76029 $59.99
$5999
current price $59.99HotSpring Spa Vanishing Act Calcium Remover 76029
15 out of 5 Stars. 1 reviews
LayorCare Heavy Calcium Releaser - Removes Calcium Build Up on Pool Tile, Stone, Decks - 32 Fl Oz From $29.99
2 options
Available in additional 2 optionsFrom$2999
LayorCare Heavy Calcium Releaser - Removes Calcium Build Up on Pool Tile, Stone, Decks - 32 Fl Oz
Pool Central 10 Lb - Haviland Durachlor Swimming Pool Water Hardness Increaser $33.71 $3.37/lb
$3371
current price $33.71$3.37/lb
Pool Central 10 Lb - Haviland Durachlor Swimming Pool Water Hardness Increaser
35 out of 5 Stars. 3 reviews
Innovative Water Care Global Corporation CCH Endurance 3 Inch Calcium Hypochlorite Tabs, 25 lbs. 23227 $177.97
$17797
current price $177.97Innovative Water Care Global Corporation CCH Endurance 3 Inch Calcium Hypochlorite Tabs, 25 lbs. 23227
44.8 out of 5 Stars. 4 reviews
O-ACE-SIS 8191850 6 lbs PH Minus Granule Non Chlorine Calcium Hardness Increaser - Pack Of 8 $192.71
$19271
current price $192.71O-ACE-SIS 8191850 6 lbs PH Minus Granule Non Chlorine Calcium Hardness Increaser - Pack Of 8
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
$8074
current price $80.74Aquatick 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
123.8 out of 5 Stars. 12 reviews
Sirona Spa Care Calcium Booster ( 1 qt ) $10.49
$1049
current price $10.49Sirona Spa Care Calcium Booster ( 1 qt )
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