Hero image 0 of Clorox Pool&Spa Calcium Increaser Pool Water Balancers Granules, 4 lb Bag, 0 of 8
Clorox Pool&Spa Calcium Increaser Pool Water Balancers Granules, 4 lb Bag
Key item features
- Clorox Pool&Spa Calcium Hardness Increaser, 4 lb bag:
- Raises low total hardness levels in swimming pool water
- Prevents corrosion, etching, and staining
- Great for plaster pools
- Ideal soft water areas due to the unique challenges these pool owners face
- Maintain 175-225 ppm total hardness
- For best results, use with the Clorox Pool app to get personalized dosage recommendations
Specs
- Chemical standard typeCalcium Hardness Increaser
- FormGranules
- Weight4 lb
- Pool chemical typePool Water Balancers
Reviews summary
Pros
- : Available at a lower cost compared to similar products.
- : Dissolves quickly in water without leaving residue.
Generated by AI
Current price is USD$11.82$2.96/lb
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Columbus, 43215
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About this item
Product details
Clorox Pool&Spa Calcium Hardness Increaser raises low Total Hardness levels in your swimming pool that can cause damage to your pool surface. Ideal for plaster pools & soft water areas. Use Clorox Pool&Spa Calcium Hardness Increaser to raise total hardness levels in your pool that are below 175 ppm. Increasing Total Hardness in your pool prevents surface damage like corrosion, staining, and etching. Ideal for plaster pools and soft water areas. 5 lbs. per 10,000 gallons will raise increase your Total Hardness levels by 50 ppm. Most DIY pool owners find the best time to apply a Total Hardness increaser is during their regular maintenance routine. Once a week, start your routine by testing your pool water with test strips or a liquid test kit. Based on the results, apply necessary product including a sanitizer, shock and balancers. As long as you routinely give your pool the chemicals it needs, you'll be able to enjoy it all season long.
- Clorox Pool&Spa Calcium Hardness Increaser, 4 lb bag:
- Raises low total hardness levels in swimming pool water
- Prevents corrosion, etching, and staining
- Great for plaster pools
- Ideal soft water areas due to the unique challenges these pool owners face
- Maintain 175-225 ppm total hardness
- For best results, use with the Clorox Pool app to get personalized dosage recommendations
info:
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Customer ratings & reviews
How item rating is calculated
Reviews summary
Pros
- : Available at a lower cost compared to similar products.
- : Dissolves quickly in water without leaving residue.
Generated by AI
Customer images
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Showing 1-3 of 138 reviews
Jun 23, 2025
Jeremy
Top Reviewer
Item details
Multipack quantity: 1
5 out of 5 stars review
Verified Purchase
Works as described!
This was great. I poured it into my pool to get the calcium up and it worked. Make sure to follow the directions on the bag exactly as you should. The Ease Of Use was very simple. You can use a bucket to dissolve it in first this was great. I poured it into my pool to get the calcium up and it worked. Make sure to follow the directions on the bag exactly as you should. The Ease Of Use was very simple. You can use a bucket to dissolve it in first on Saturday. i didn't have much algae buildup. Was thinking about
Helpful?1BNVJI6F6SVM301154544
Nov 6, 2025
Sara
Item details
Multipack quantity: 1
5 out of 5 stars review
Verified Purchase
Good pool chemical
Great item for my pool. Dissolved fast without any impurities that I saw. Increased my calcium as expected for a good price.
Helpful?1BNVJI6F6SVM301154544
Jan 13, 2026
Kathleen
Item details
Multipack quantity: 1
5 out of 5 stars review
Verified Purchase
Does what it's supposed to do
Great value from a well known brand.
Helpful?1BNVJI6F6SVM301154544
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