Pool Calcium(283)
Uses item details. Price when purchased online
Leisure Pool Calcium Hardness Increaser (Calcium Chloride, Flakes) | 50 lb. Pail $113.99
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$11399
current price $113.99Leisure Pool Calcium Hardness Increaser (Calcium Chloride, Flakes) | 50 lb. Pail
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
Puri Tech Powder Pool Chemicals 50 lb Calcium Hardness Increaser Plus for Swimming Pools & Spas $65.90
Sponsored
$6590
current price $65.90Puri Tech Powder Pool Chemicals 50 lb Calcium Hardness Increaser Plus for Swimming Pools & Spas
114.5 out of 5 Stars. 11 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
Overall pick Clorox Pool&Spa Calcium Increaser Pool Water Balancers Granules, 4 lb Bag From $10.52
2 options
Available in additional 2 optionsFrom$1052
Clorox Pool&Spa Calcium Increaser Pool Water Balancers Granules, 4 lb Bag
5514.6 out of 5 Stars. 551 reviews
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In The Swim Calcium Hardness Increaser 25 lbs Y7210 From $59.99
3 options
Available in additional 3 optionsFrom$5999
In The Swim Calcium Hardness Increaser 25 lbs Y7210
844.7 out of 5 Stars. 84 reviews
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
704.6 out of 5 Stars. 70 reviews
Puri Tech Powder Pool Chemicals 25 lb Calcium Hardness Increaser Plus for Swimming Pools & Spas $43.99
$4399
current price $43.99Puri Tech Powder Pool Chemicals 25 lb Calcium Hardness Increaser Plus for Swimming Pools & Spas
174.7 out of 5 Stars. 17 reviews
Poolife Calcium Plus ( 8 lb ) $17.99
$1799
current price $17.99Poolife Calcium Plus ( 8 lb )
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
8194.5 out of 5 Stars. 819 reviews
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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 $39.99
Sponsored
$3999
current price $39.99AquaDoc 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
44 out of 5 Stars. 4 reviews
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
384.7 out of 5 Stars. 38 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
Puri Tech Powder Pool Chemicals 50 lb Calcium Hardness Increaser Plus for Swimming Pools & Spas $65.90
$6590
current price $65.90Puri Tech Powder Pool Chemicals 50 lb Calcium Hardness Increaser Plus for Swimming Pools & Spas
114.5 out of 5 Stars. 11 reviews
Top rated for algae control In The Swim Its Pool Shock 6 x 1 68% 25234 6X1 From $39.99
5 options
Available in additional 5 optionsFrom$3999
In The Swim Its Pool Shock 6 x 1 68% 25234 6X1
9484.5 out of 5 Stars. 948 reviews
Clorox Pool&Spa Calcium Hardness Increaser, 5 lbs (For Pool Use) $28.99
$2899
current price $28.99Clorox Pool&Spa Calcium Hardness Increaser, 5 lbs (For Pool Use)
334.3 out of 5 Stars. 33 reviews
ProTeam Calcium Up 10lb Bucket Calcium Hardness Increaser in Swimming Pool & Spa $29.95
$2995
current price $29.95ProTeam Calcium Up 10lb Bucket Calcium Hardness Increaser in Swimming Pool & Spa
25 out of 5 Stars. 2 reviews
1K+ bought since yesterday HTH Pool Care Shock Advanced — Granules, 1 lb — Pool Shock Treatment for Weekly Use From $6.14
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Available in additional 3 optionsFrom$614
HTH Pool Care Shock Advanced — Granules, 1 lb — Pool Shock Treatment for Weekly Use
101274.6 out of 5 Stars. 10127 reviews
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O-ACE-sis TF086025025OAC Granule Non Chlorine Calcium Hardness Increaser 25 lbs. $55.11
$5511
current price $55.11O-ACE-sis TF086025025OAC Granule Non Chlorine Calcium Hardness Increaser 25 lbs.
25 out of 5 Stars. 2 reviews
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
384.7 out of 5 Stars. 38 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
Puri Tech Powder Pool Chemicals 25 lb Calcium Hardness Increaser Plus for Swimming Pools & Spas $43.99
Sponsored
$4399
current price $43.99Puri Tech Powder Pool Chemicals 25 lb Calcium Hardness Increaser Plus for Swimming Pools & Spas
174.7 out of 5 Stars. 17 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
33.7 out of 5 Stars. 3 reviews
Leisure Pool Calcium Hardness Increaser (Calcium Chloride, Flakes) | 50 lb. Pail $113.99
$11399
current price $113.99Leisure Pool Calcium Hardness Increaser (Calcium Chloride, Flakes) | 50 lb. Pail
Pacifi Clear Calcium Hardness Increaser Granules - Pool Water Balancer - 25 Lbs $56.09
$5609
current price $56.09Pacifi Clear Calcium Hardness Increaser Granules - Pool Water Balancer - 25 Lbs
MAV AquaDoc Pool Calcium Hardness Increaser - 5lb - Fast-Dissolving Calcium Chloride for Swimming Pools - Made in The USA $30.99
$3099
current price $30.99MAV AquaDoc Pool Calcium Hardness Increaser - 5lb - Fast-Dissolving Calcium Chloride for Swimming Pools - Made in The USA
35 out of 5 Stars. 3 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
144.8 out of 5 Stars. 14 reviews
Puri Tech Powder Chemicals 5 lb Calcium Hardness Increaser & 5 lb Alkalinity Increaser Kit for Pools & Spas $26.10
$2610
current price $26.10Puri Tech Powder Chemicals 5 lb Calcium Hardness Increaser & 5 lb Alkalinity Increaser Kit for Pools & Spas
Aqua Joe Pool & Spa Salt for Chlorine Generators and Water Sanitizing Systems, 40 lb Bag
Aqua Joe Pool & Spa Salt for Chlorine Generators and Water Sanitizing Systems, 40 lb Bag
35 out of 5 Stars. 3 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
FROG SooTHe Calcium Total Hardness Increaser for Hot Tubs & Swim Spas - 2 lb Bottle with TruDose Measuring Cap for Easy Maintenance & Balancing - 1 Pack $13.95
Sponsored
$1395
current price $13.95FROG SooTHe Calcium Total Hardness Increaser for Hot Tubs & Swim Spas - 2 lb Bottle with TruDose Measuring Cap for Easy Maintenance & Balancing - 1 Pack
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
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
Puri Tech Chemical 10 lb Calcium Hardness Increaser & 10 lb Alkalinity Increaser $33.72
$3372
current price $33.72Puri Tech Chemical 10 lb Calcium Hardness Increaser & 10 lb Alkalinity Increaser
Aqua-Org Plus Calcium Hypochlorite Chlorinating Shock Treatment for Swimming Pools, 24 Pack, 1lb From $79.95
4 options
Available in additional 4 optionsFrom$7995
Aqua-Org Plus Calcium Hypochlorite Chlorinating Shock Treatment for Swimming Pools, 24 Pack, 1lb
854.1 out of 5 Stars. 85 reviews
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
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
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
15794.7 out of 5 Stars. 1579 reviews
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
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
163.9 out of 5 Stars. 16 reviews
Puri Tech 25 lb Calcium Hardness & Alkalinity Increaser Kit for Swimming Pools $65.54
$6554
current price $65.54Puri Tech 25 lb Calcium Hardness & Alkalinity Increaser Kit for Swimming Pools
FROG SooTHe Calcium Total Hardness Increaser for Hot Tubs & Swim Spas - 2 lb Bottle with TruDose Measuring Cap for Easy Maintenance & Balancing - 1 Pack $13.95
$1395
current price $13.95FROG SooTHe Calcium Total Hardness Increaser for Hot Tubs & Swim Spas - 2 lb Bottle with TruDose Measuring Cap for Easy Maintenance & Balancing - 1 Pack
Baquacil Calcium Hardness Increaser ( 3.5 lb ) $12.99
$1299
current price $12.99Baquacil Calcium Hardness Increaser ( 3.5 lb )
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
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
In The Swim Quick Clear Green - Turn Your Pool Water From Green and Cloudy To Sparkling Blue - 4 Pound 62006 From $26.99
4 options
Available in additional 4 optionsFrom$2699
In The Swim Quick Clear Green - Turn Your Pool Water From Green and Cloudy To Sparkling Blue - 4 Pound 62006
35 out of 5 Stars. 3 reviews
hth Calcium Hardness Increaser $23.70
$2370
current price $23.70hth Calcium Hardness Increaser
Taylor Water Technologies TTR0011LA Taylor No. 11 Calcium Liquid $21.47
$2147
current price $21.47Taylor Water Technologies TTR0011LA Taylor No. 11 Calcium Liquid
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
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