Top 10 Best Pool Hardness

of November 2024
1
Best ChoiceBest Choice
AquaDoc | Spa Calcium Hardness Increaser Hot Tub Owners Rely on, Calcium
MAV AquaDoc
MAV AquaDoc
10
Exceptional
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2
Best ValueBest Value
Pool Mate 1-2825B Pool Calcium Increaser, 25-Pounds (Bag)
Pool Mate
Pool Mate
9.9
Exceptional
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3
Robelle 2808B Calcium Increaser, 8-Pounds, White
Robelle
Robelle
9.8
Exceptional
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4
Clorox Pool&Spa 12204CLX Calcium Hardness Increaser, 4 lb, White
Clorox
Clorox
9.7
Exceptional
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5
Hard UP Calcium Hardness Increaser 10lb Bag
Banger Labs
Banger Labs
9.6
Exceptional
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6
Robelle 2825B Pool Calcium Increaser, 25-Pounds (Bag)
Robelle
Robelle
9.5
Excellent
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7
Puri Tech Pool Chemicals 25 lb Calcium Hardness Increaser Plus for Swimming
Puri Tech
Puri Tech
9.4
Excellent
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8
HTH 67042 Calcium Hardness Up Balancer for Swimming Pools, 4 lbs
HTH
HTH
9.3
Excellent
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9
Calcium Hardness Increaser (1 Gallon) Calcium Chloride Powder for Pools & Hot
Quality Producer Direct
Quality Producer Direct
9.2
Excellent
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10
In The Swim Calcium Hardness Increaser for Swimming Pools - Fast-Acting, Scale
In The Swim
In The Swim
9.1
Excellent
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11
Puri Tech Pool Chemicals 20 lb Calcium Hardness Increaser Plus for Swimming
Puri Tech
Puri Tech
9.0
Excellent
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About Pool Hardness

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AquaDoc | Spa Calcium Hardness Increaser Hot Tub Owners Rely on, Calcium Increaser Spa Hardness Increaser & Calcium Booster for Hot Tubs, Spa Calcium Increaser & Hot Tub Water Hardener Spa Chemicals

Make balancing your water easier more cost effective with AquaDoc's calcium hardness increaser. Our spa calcium hardness increaser is vital to ensuring proper water hardness levels in your hot tub. AquaDoc's Calcium Booster gets your hardness up.. Avoid corrosion, etching, and staining - AquaDoc's Professional Grade Hot Tub Calcium increaser is your best defense against soft water in your hot tub or spa. Guard calcium levels from decreasing too low with our spa Calcium booster for hot tubs.. How it works - AquaDoc's Hot Tub Calcium hardness Increaser works to raise your water's hardness level to ensure properly balanced hot tub water. Our spa hardness increaser easily works to raise your Calcium levels by 10ppm increments or more.. The Hardness Increaser Hot Tub Owners Love - When it comes to Spa Chemicals calcium hardness increaser is a must have. Without hot tub chemicals calcium hardness can become unbalanced. Always have a hot tub calcium booster ready and waiting.. Easy to Use, Made in the USA - 1 Check your calcium levels, 2 1 ounce of AquaDoc's Calcium increaser will boost water's hardness level by 10ppm. 3 After determining hardness level goal, add proper amount of increaser while equipment is on. 4 Run filter for 1 - 2 hours, wait 20 minutes, then retest water..

Pool Mate 1-2825B Pool Calcium Increaser, 25-Pounds (Bag)

Increases water hardness. Low calcium hardness level can cause water issues. Prevents the staining or etching of your pool's surface. Ideal calcium hardness range 200 - 400ppm.

Robelle 2808B Calcium Increaser, 8-Pounds, White

Increases Water Hardness. Low calcium hardness level can cause corrosive water. Prevents the staining or etching of your pool's surface. Ideal Calcium Hardness range 200 - 400ppm.

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

Increases low Total Hardness levels in swimming pool water. Prevents corrosion, etching, and staining. Prevents pool surface damage. Ideal for plaster pools and soft water areas. For best results, use with the Clorox Pool app. Power Source Type Manual.

Hard UP Calcium Hardness Increaser 10lb Bag

Rapidly raises calcium hardness in pools and spas. Also used as Ice Melt.

Robelle 2825B Pool Calcium Increaser, 25-Pounds (Bag)

Increases water hardness. Low calcium hardness level can cause corrosive water. Prevents the staining or etching of your pool's surface. Ideal calcium hardness range 200 - 400ppm.

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

BRAND NEW PACKAGING All Puri Tech Chemicals now come in resealable bags for easy storage. ACTIVE INGREDIENTS Calcium Chloride. RAISES CALCIUM in swimming pool water.Calcium Hardness level prevents foaming, equipment and surface erosion and scaling.. DOSAGE 2,000 Gallons 1.5 Lbs to increase hardness 50ppm, 3 Lbs100ppm, 6.25 Lbs200ppm. 5,000 Gallons 3 Lbs to increase hardness 50ppm, 6.25 Lbs100ppm, 12.5 Lbs200ppm. 10,000 Gallons 6.25 Lbs to increase hardness 50ppm, 12.5 Lbs100ppm, 25 Lbs200ppm. 20,000 Gallons 10.5 Lbs to increase hardness 50ppm, 25 Lbs100ppm, 50 Lbs200ppm.. See Package for instructions.

HTH 67042 Calcium Hardness Up Balancer for Swimming Pools, 4 lbs

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. USE Apply to pool following instructions for easy DIY pool care For best results, use with other HTH pool care products. COMPATIBILITY Great for vinyl-lined pools and saltwater systems. FEATURES Raises calcium hardness Reduces corrosiveness of water with low calcium Avoid damage to pool surfaces and equipment Resealable bag. INCLUDES One 4-lb container of Calcium Hardness Up granules for your swimming pool water.

Calcium Hardness Increaser (1 Gallon) Calcium Chloride Powder for Pools & Hot Tubs

Calcium Chloride Anhydrous Powder Increases Total Hardness of Pool Water. Used to Prevent Corrosion in Pools Hot Tubs. Great Value 1 Gallon of Calcium Chloride Powder. Lab-Tested Certified. Manufactured in the USA.

In The Swim Calcium Hardness Increaser for Swimming Pools - Fast-Acting, Scale Prevention - 94% Calcium Chloride - 45 Pounds

Quickly raises the calcium levels in your pool to prevent low calcium levels that can cause erosion, pitting, and etching of pool surfaces.. Prevents damage caused by excess amount of calcium hardness increaser can cause scaling and blockage of water flow in and out of the pool, which can damage your pool equipment.. Improved water quality improve the overall quality of your pool water by maintaining the proper calcium hardness level.. The recommended range for calcium in your water is around 180-220 ppm. Keep the ppm below 400.. Add approximately 6 pounds per 10,000 gallons of water to raise hardness level about 50 ppm. Use when your hardness level drops below 150 ppm..

Puri Tech Pool Chemicals 20 lb Calcium Hardness Increaser Plus for Swimming Pools & Spas Increases Calcium Hardness Levels Prevents Surface Staining

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