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1. Quality Producer Direct


Quality Producer Direct Calcium Hardness Increaser 1 Gallon Calcium Chloride Powder for Pools & Hot Tubs

Quality Producer Direct #ad - Calcium chloride anhydrous Powder Increases Total Hardness of Pool Water. Lab-tested & Certified. Great value: 1 gallon of Calcium Chloride Powder. Used to prevent Corrosion in Pools & Hot Tubs. Manufactured in the USA.
BrandQuality Producer Direct #ad
ManufacturerQuality Producer Direct #ad
Height7.5 Inches
Length7.47 Inches
Width7.47 Inches

2. 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 - See package for instructions. 20, 25 lbs/100ppm, 000 gallons: 105 lbs to increase hardness 50ppm, 000 gallons: 6. 25 lbs to increase hardness 50ppm, 000 gallons: 1.

5 lbs to increase hardness 50ppm, 12. 5 lbs/100ppm, 6. 25 lbs/200ppm. Brand new packaging: all puri Tech Chemicals now come in resealable bags for easy storage! Active ingredients: Calcium Chloride. 5, 3 lbs/100ppm, 12. 5 lbs/200ppm. Raises calcium in swimming pool water. Calcium hardness level prevents foaming, equipment and surface erosion and scaling. Dosage: 2, 25 lbs/200ppm. 10, 6. 25 lbs/100ppm, 000 gallons: 3 lbs to increase hardness 50ppm, 50 Lbs/200ppm.
BrandPuri Tech #ad
ManufacturerPuri Tech #ad
Part NumberPCC

3. Alpha Chemicals


1 lb, Dihydrate, Calcium Chloride Flake, CaCl22H2O

Alpha Chemicals #ad - Flake Form. 26-0-0 fertilizer. Not for sale in California as a fertilizer. Fertilizer/Animal Feed Grade. Used in fertilizers, industrial processes, ice melt, concrete setting time acceleration, oil field applications, and many other uses.
BrandAlpha Chemicals #ad
ManufacturerAlphaChemicals #ad
Part Number1CaCl

4. 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 - Do not pre dissolve this product. Raising calcium hardness helps prevent corrosion of metal and plaster surfaces. Per 10, 000 gallons will raise the hardness level approximately 50 ppm. Also helps prevent foaming of certain chemicals. Water chemistry - one of the most important aspects of proper swimming pool care involves the maintenance of balanced water chemistry.

Calcium plus - use rx clear swimming pool calcium booster when the calcium hardness reading in your pool drops below 150ppm. Six lbs. Add when water hardness levels drop below 150 ppm. Prevents corrosion - rx clear calcium plus helps stop corrosion of metal surfaces such as light fixtures, ladders, screws, and metals in your pump or filter. Also prevents etching, pool heater components, railings, pool cover components, gunite, and delamination of concrete, plaster, shotcrete, pitting, and fiberglass pools.

Dosage - the ideal range is 200 to 400 parts per million ppm. When swimming pool chemicals are not at their ideal levels, the water can turn dull and cloudy, hoses, and pool or spa equipment, swimmers can be at risk of contracting illnesses and suffering from skin irritation, and surfaces can become damaged. The minimum calcium hardness level is 150 ppm. Trust rx clear as the most reliable leader in pool cleaner products and supplies.
BrandRx Clear #ad
ManufacturerRx Clear #ad

5. Zapp It


Calcium Hypochlorite Super Shock 50lb, Zappit 73% Cal Hypo Pool Shock

Zapp It #ad - 70% available chlorine, Pool Shock and Super Chlorinator. Available in 50lb buckets- 100lb option arrives as two 50lb buckets for no extra charge!1 lb will provide 2ppm of available chlorine in 40, 000 gallon pool. Signature required at time of delivery. Fast dissolving granular formula.
BrandZapp It #ad
Height12.8 Inches
Length18.8 Inches
Weight50 Pounds
Width12.8 Inches
Part Number8000560

6. In The Swim


25 Pound Bucket, In The Swim Pool Calcium Hardness Increaser

In The Swim #ad - Prevents aggressive or corrosive water. Increases calcium hardness level. Dosage 6 lbs per 10, 000 gallons to raise calcium hardness level about 50 ppm. Do not pre mix. Average 97% Calcium Chloride.
BrandIn The Swim #ad
Height11.5 Inches
Length13.3 Inches
Weight25 Pounds
Width12.8 Inches
Part NumberY7210

7. True Aquaponics


Soil and Foliar Spray. for Plants, TrueNute Calcium Chloride 16 Ounces for Aquaponics, Stronger Than Liquid, Hydroponics

True Aquaponics #ad - Trusted worldwide for quality, and use in Aquaponics to be fish, people and bacteria safe. Simplified instructions that are easy to understand are included with every shipment!!! Free shipping on all orders!!! shipping occurs within 1 business day. Used on all plants in and out of the garden and greenhouse. 2i4 - 489 - 23iI. Customer service is our number one goal!!! Any questions.
BrandTrue Aquaponics #ad
ManufacturerTrue Aquaponics LLC ™ #ad

8. Pool Mate


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

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

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

10. Rx Clear


Rx Clear Super Shock for Synergy Pool Systems | for Superchlorinating Pool Water and Control of Algae | 68% Calcium Hypochlorite | One Pound Bags | 24 Pack

Rx Clear #ad - Bags of Super Shock. This item contains 24, 1 lb. Package size: 24 pack. Dosages: 1 lb. Rx clear super Shock is compatible with Synergy pool products. Super chlorinate your pool with Super Shock to remove any chlorine demand from your pool water. Super shock per 10, 000 gallons of pool water.
BrandRx Clear #ad
ManufacturerRx Clear #ad