Top 9 Calcium Hardness Increaser for Pool – Swimming Pool Balancers

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1. Pool Mate


25-Pound, Pool Mate 1-2825 Calcium Increaser for Swimming Pools

Pool Mate #ad - Low calcium hardness level can cause corrosive water. Prevents the staining or etching of your pool's surface. Ideal calcium hardness range 200 - 400ppm. Increases Water Hardness.
BrandPool Mate #ad
ManufacturerRobelle Industries #ad
Height11 Inches
Length10.25 Inches
Weight25 Pounds
Width10.25 Inches
Part Number1-2825

2. Clorox


White, 4 lb, Clorox Pool&Spa 12204CLX Calcium Hardness Increaser

Clorox #ad - Ideal for plaster pools and soft water areas. For best results, use with the Clorox Pool app. Prevents corrosion, etching, and staining. Prevents pool surface damage. Increases low Total Hardness levels in swimming pool water. Power source Type: Manual.
BrandClorox #ad
ManufacturerClorox® Pool&Spa™ #ad
Height11.5 Inches
Length4.4 Inches
Weight4 Pounds
Width10 Inches
Part Number12204CLX

3. Puri Tech


Puri Tech Pool Chemicals 25 lb Calcium Hardness Increaser Plus for Swimming Pools & Spas Increases Calcium Hardness Levels Prevents Staining on Surfaces

Puri Tech #ad - 10, 000 gallons: 3 lbs to increase hardness 50ppm, 12. 5 lbs/100ppm, 25 lbs/100ppm, 50 Lbs/200ppm. See package for instructions.

5, 25 lbs/200ppm. 20, 12. 5 lbs/200ppm. Dosage: 2, 6. 25 lbs/100ppm, 000 gallons: 1. 5 lbs to increase hardness 50ppm, 000 gallons: 6. 25 lbs to increase hardness 50ppm, 000 gallons: 105 lbs to increase hardness 50ppm, 3 lbs/100ppm, 6. 25 lbs/200ppm. Raises calcium in swimming pool water. Calcium hardness level prevents foaming, equipment and surface erosion and scaling. Brand new packaging: all puri Tech Chemicals now come in resealable bags for easy storage! Active ingredients: Calcium Chloride.
BrandPuri Tech #ad
ManufacturerPuri Tech #ad
Part NumberPCC

4. In The Swim


In The Swim Pool Calcium Hardness Increaser, 25 Pound Bucket

In The Swim #ad - Average 97% Calcium Chloride. Do not pre mix. Prevents aggressive or corrosive water. Increases calcium hardness level. Dosage 6 lbs per 10, 000 gallons to raise calcium hardness level about 50 ppm.
BrandIn The Swim #ad
Height10.9 Inches
Length12.5 Inches
Weight27 Pounds
Width10.4 Inches
Part NumberY7210

5. Bare Ground Winter Bare Ground Solutions


40 lbs, Bare Ground Winter Bare Ground Solutions PCAL-40 CalPlus Calcium Increaser for Swimming Pools

Bare Ground Winter Bare Ground Solutions #ad - Per 10, 000 gallons will raise hardness 10 ppm. Scatter over the surface for quick and easy dissolving. Keeps pool water in the ideal range of 200 - 400 ppm. 1. 25 lbs. Brings soft pool water to a normal calcium hardness level. Helps prevent corrosion, etching, and pitting of concrete surfaces as well as preventing the damage to pool and equipment caused by soft water.
BrandBare Ground Winter Bare Ground Solutions #ad
ManufacturerBare Ground #ad
Height12 Inches
Length12 Inches
Weight40 Pounds
Width12 Inches
Part NumberPCAL-40

6. Robelle


Robelle 2808B Calcium Hardness for Swimming Pools, 8-Pounds

Robelle #ad - Low calcium hardness level can cause corrosive water. Increases Water Hardness. Prevents the staining or etching of your pool's surface. Ideal calcium hardness range 200 - 400ppm.
BrandRobelle #ad
ManufacturerRobelle #ad
Height10 Inches
Length10 Inches
Weight8 Pounds
Width10 Inches
Part Number2808B

7. HTH


4 lbs, HTH 67019 Calcium Hardness Up Balancer for Swimming Pools

HTH #ad - Compatibility: Great for vinyl-lined pools and saltwater systems. Includes: one 4-lb container of Calcium Hardness Up granules for your swimming pool water. Benefits: ensures that your swimming pool has a balanced calcium hardness so you can enjoy splashing in the water all season long in healthy water. Features: raises calcium hardness; Reduces corrosiveness of water with low calcium; Avoid damage to pool surfaces and equipment; Resealable bag. Use: apply to pool following instructions for easy DIY pool care; For best results, use with other HTH pool care products.
BrandHTH #ad
ManufacturerInnovative Water Care #ad
Height11 Inches
Length4.5 Inches
Weight4 Pounds
Width7.5 Inches
Part Number67019



Leisure Pool 40 lb. Calcium Hardness Increaser Calcium Chloride

LEISURE POOL & SPA SUPPLY INC. LP #ad - Calcium chloride dry granules commonly known as Calcium Hardness Increaser, will raise calcium hardness levels in commercial and residential swimming pools and spas. Per 10, 000 gallons will raise CH levels by 10 ppm. Other uses: ice melt, dust control, concrete acceLERATOR. Dosing instructions: 1. 1 lb.
ManufacturerLeisure Pool & Spa Supply, Inc. #ad
Height15 Inches
Length12 Inches
Width12 Inches

9. Rx Clear


Rx Clear Calcium Plus | Granular Calcium Chloride | Raises Calcium in Swimming Pool Water | Hardness Increaser for Swimming Pools | Prevents Corrosion | 25 Lbs

Rx Clear #ad - Add when water hardness levels drop below 150 ppm. The minimum calcium hardness level is 150 ppm. When swimming pool chemicals are not at their ideal levels, swimmers can be at risk of contracting illnesses and suffering from skin irritation, the water can turn dull and cloudy, hoses, and pool or spa equipment, and surfaces can become damaged.

Dosage - the ideal range is 200 to 400 parts per million ppm. Spread the product over the surface of the water while the pump is running. Calcium plus - use rx clear swimming pool calcium booster when the calcium hardness reading in your pool drops below 150ppm. Do not pre dissolve this product. Also helps prevent foaming of certain chemicals. Trust rx clear as the most reliable leader in pool cleaner products and supplies. Raising calcium hardness helps prevent corrosion of metal and plaster surfaces.

Per 10, 000 gallons will raise the hardness level approximately 50 ppm. Water chemistry - one of the most important aspects of proper swimming pool care involves the maintenance of balanced water chemistry. Six lbs. Prevents corrosion - rx clear calcium plus helps stop corrosion of metal surfaces such as light fixtures, and delamination of concrete, pool heater components, railings, pool cover components, pitting, plaster, screws, shotcrete, ladders, gunite, and metals in your pump or filter. Also prevents etching, and fiberglass pools.
BrandRx Clear #ad
ManufacturerRx Clear #ad