Pool Calcium(302)
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
15494.7 out of 5 Stars. 1549 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
1K+ bought since yesterday 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
93944.6 out of 5 Stars. 9394 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
104.4 out of 5 Stars. 10 reviews
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
5264.6 out of 5 Stars. 526 reviews
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
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
814.7 out of 5 Stars. 81 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
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
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
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
7904.5 out of 5 Stars. 790 reviews
(3 pack) Clorox Spa pH Down Pool Water Balancers Granules- Decrease for Use in Spas and Hot Tubs, 22oz $29.94 45.4 ¢/oz
$2994
current price $29.9445.4 ¢/oz
(3 pack) Clorox Spa pH Down Pool Water Balancers Granules- Decrease for Use in Spas and Hot Tubs, 22oz
764.5 out of 5 Stars. 76 reviews
Clorox Calcium Hardness Increaser Pool Water Balancers, 4 lbs $14.99 Was $22.50
Now$1499
current price Now $14.99, Was $22.50$22.50
Clorox Calcium Hardness Increaser Pool Water Balancers, 4 lbs
23 out of 5 Stars. 2 reviews
In 50+ people's carts (3 pack) Clorox Pool&Spa pH up Balancers Granules for Increasing pH Levels 4 lb Bag $26.91 14.0 ¢/oz
$2691
current price $26.9114.0 ¢/oz
(3 pack) Clorox Pool&Spa pH up Balancers Granules for Increasing pH Levels 4 lb Bag
12134.7 out of 5 Stars. 1213 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
104.4 out of 5 Stars. 10 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
Rollback 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
7994.5 out of 5 Stars. 799 reviews
Puri Tech Powder Pool Chemicals 20 lb Calcium Hardness Increaser Plus for Pools & Spas $42.59
$4259
current price $42.59Puri Tech Powder Pool Chemicals 20 lb Calcium Hardness Increaser Plus for Pools & Spas
134.8 out of 5 Stars. 13 reviews
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
33.7 out of 5 Stars. 3 reviews
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
Clorox Pool&Spa Calcium Hardness Increaser, 5 lbs (For Pool Use) $26.99
$2699
current price $26.99Clorox 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
15 out of 5 Stars. 1 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 10 lb Calcium Hardness Increaser Plus for Swimming Pools & Spas $29.97
$2997
current price $29.97Puri Tech Powder Pool Chemicals 10 lb Calcium Hardness Increaser Plus for Swimming Pools & Spas
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
In 100+ people's carts HTH Pool Care Shock Advanced — Granules, 6 Pack (6 lb total) — Pool Shock Treatment for Weekly Pool Sanitizing From $6.14
3 options
Available in additional 3 optionsFrom$614
HTH Pool Care Shock Advanced — Granules, 6 Pack (6 lb total) — Pool Shock Treatment for Weekly Pool Sanitizing
93944.6 out of 5 Stars. 9394 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
354.7 out of 5 Stars. 35 reviews
Pacifi Clear Calcium Hardness Increaser Granules - Pool Water Balancer - 25 Lbs $56.18
$5618
current price $56.18Pacifi Clear Calcium Hardness Increaser Granules - Pool Water Balancer - 25 Lbs
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
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
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
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
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
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
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
Taylor Water Technologies TTR0011LA Taylor No. 11 Calcium Liquid $19.95
$1995
current price $19.95Taylor Water Technologies TTR0011LA Taylor No. 11 Calcium Liquid
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
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
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
BioGuard Balance Pak 300 (7lb) $24.99
$2499
current price $24.99BioGuard Balance Pak 300 (7lb)
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
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
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
Dry Tec 68% Calcium Hypochlorite Granular Swimming Pool Shock - 1 lb From $15.95
3 options
Available in additional 3 optionsFrom$1595
Dry Tec 68% Calcium Hypochlorite Granular Swimming Pool Shock - 1 lb
474.7 out of 5 Stars. 47 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
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
15494.7 out of 5 Stars. 1549 reviews
hth Calcium Hardness Increaser $23.70
$2370
current price $23.70hth Calcium Hardness Increaser
Baqua Spa Calcium Hardness Increaser 14oz $10.00
$1000
current price $10.00Baqua Spa Calcium Hardness Increaser 14oz
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