1. SpaGuard
#ad
SpaGuard Spa Calcium Hardness Increaser, 12 Ounce
#adSpaGuard #ad - Prevents corrosion of equipment due to low calcium hardness. Per 100 gallons raises calcium hardness 25ppm. Prevents etching of plaster due to low calcium hardness. 1 tbs.More information #ad
Brand | SpaGuard #ad |
Manufacturer | SpaGuard #ad |
Weight | 0.75 Pounds |
Part Number | 42257BIO |
Model | BIO42257 |
Warranty | Returns are not accepted on opened or used items and are subject to a 20% restocking fee. |
More information #ad
2. LEISURE TIME
#ad
Leisure Time CB Calcium Booster Balancer for Spas and Hot Tubs, 32 fl oz
#adLEISURE TIME #ad - Features: prevents corrosion and foam; Part of Leisure Time's Simple Spa Care program. One ounce increases hardness 7 ppm in 500 gallons of water. Compatible with chlorine, bromine, ozone and biguanide sanitizers.More information #ad
Use: one ounce increases hardness 7 ppm in 500 gallons of water. Includes: one 32-oz bottle of Leisure Time Calcium Booster. Benefits: raises water hardness to maintain a level of hardness between 150-400 ppm. Compatibility: Compatible with chlorine, bromine, ozone, and biguanide sanitizers. Prevents corrosion.Brand | LEISURE TIME #ad |
Manufacturer | Leisure Time #ad |
Height | 9.5 Inches |
Length | 3.12 Inches |
Weight | 2.58 Pounds |
Width | 3.12 Inches |
Part Number | CB |
Model | CB |
More information #ad
3. Clorox
#ad
Clorox Pool&Spa 12204CLX Calcium Hardness Increaser, White, 4 lb
#adClorox #ad - Ideal for plaster pools and soft water areas. Power source Type: Manual. Increases low Total Hardness levels in swimming pool water. For best results, use with the Clorox Pool app. Prevents corrosion, etching, and staining. Prevents pool surface damage.More information #ad
Brand | Clorox #ad |
Manufacturer | Clorox® Pool&Spa™ #ad |
Height | 11.5 Inches |
Length | 4.4 Inches |
Weight | 4 Pounds |
Width | 10 Inches |
Part Number | 12204CLX |
Model | 12204CLX |
More information #ad
4. Spa Essentials
#ad
12-Ounce, Spa Essentials 32534000 Calcium Hardness Increaser Granules for Spas and Hot Tubs
#adSpa Essentials #ad - Helps prevent corrosion Of Spa Equipment And Surfaces. Easy to Use. Increases calcium Hardness Level In Spa Water. No assembly Required.More information #ad
Brand | Spa Essentials #ad |
Manufacturer | Robelle Industries #ad |
Height | 8 Inches |
Length | 3 Inches |
Weight | 0.75 Pounds |
Width | 3 Inches |
Part Number | 32534000 |
Model | 32534000 |
Warranty | Returns are not accepted on opened or used products and are subject to a 20% restocking fee |
More information #ad
5. Baqua Spa
#ad
14 fl oz, BAQUA Spa 88825 Calcium Hardness Increaser Spa and Hot Tub Balancer
#adBaqua Spa #ad - Compatibility: Works with all biguanide sanitizer systems. Includes: one 14-oz container of BAQUA Spa Calcium Hardness Increaser. Benefits: raises spa water to the recommended level of calcium hardness.More information #ad
Features: Bromine and chlorine free. Use: part of baqua spa's bromine-free and chlorine-free maintenance product line.Brand | Baqua Spa #ad |
Manufacturer | Innovative Water Care #ad |
Height | 2.44 Inches |
Length | 2.44 Inches |
Weight | 1 Pounds |
Width | 6.2 Inches |
Part Number | 88825 |
Model | 88825 |
More information #ad
6. Hot Tub Things
#ad
Prevent Corrosion in Your Spa, Hot Tub Things Calcium Increaser 32 Ounce
#adHot Tub Things #ad - America's #1 trusted Brand of Hot Tub Chemicals. Add a little calcium increaser regularly to protect your hot tub from corrosion caused by low calcium.More information #ad
Compare to Leisure Time Calcium Booster. Formulated exclusively for Hot Tubs And Made from the Purest Chemicals Available. Safety tested to Assure Quality, Guaranteed Performance.Brand | Hot Tub Things #ad |
Manufacturer | Hot Tub Things #ad |
Height | 9 Inches |
Length | 3 Inches |
Weight | 2.1 Pounds |
Width | 3 Inches |
Part Number | 850511004222 |
More information #ad
7. PureSpa
#ad
SpaPure Calcium Hardness Increaser 16oz
#adPureSpa #ad - Ensure water won't become corrosive. Fast acting liquid calcium hardness balancer. Protect your spa equipment and bather comfort.More information #ad
Brand | PureSpa #ad |
Manufacturer | Haviland #ad |
Part Number | SPA2729CS20B6 |
More information #ad
8. SpaChoice
#ad
14-Ounces, SpaChoice 472-3-5031 Increase Calcium for Spas and Hot Tubs
#adSpaChoice #ad - Increases calcium Hardness in Spa Water. Downloadable user guide Available Under Product Information: Technical Specifications. The ideal hardness level is 200-400 ppm.More information #ad
Per 500 gallons to increase hardness by 10 ppm. Use a test kit or test strip to test your spa calcium levels. Use 1 oz. Low hardness will etch plaster and corrode spa equipment.Brand | SpaChoice #ad |
Manufacturer | Robelle Industries #ad |
Height | 10 Inches |
Length | 6 Inches |
Width | 3 Inches |
Part Number | 472-3-5031 |
Model | 472-3-5031 |
More information #ad
9. Natural Chemistry
#ad
Natural Chemistry Spa Calcium Hardness Increaser 1.83 lb 2 Pack
#adNatural Chemistry #ad - Boosts the calcium hardness level in your spa or hot tub. Reduces eye and skin irritation. Prevents corrosion damage to spa surfaces, plumbing, and other equipment. 2 pack.More information #ad
Brand | Natural Chemistry #ad |
Manufacturer | Natural Chemistry #ad |
More information #ad