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Contain sequestering agent. Removes stain and scale. Features: prevents waterline residue and controls metallic stains and scale; Contains sequestering agent; Removes stain and scale.



Raises calcium hardness increaser for pool and spas. Dosage: 2, 12. 5 lbs/100ppm, 6. 25 lbs/100ppm, 6. 25 lbs/200ppm. Puri tech pool calcium increaser fast acting formula. Balance calcium hardness level prevents foaming and surface erosion or scaling.

1. LEISURE TIME
#ad
Leisure Time D Metal Gon Protection for Spas and Hot Tubs, 16 fl oz Package may vary
#adLEISURE TIME #ad - Includes: one 16-oz bottle of Leisure Time Metal Gon. Benefits: concentrated formula prevents iron and other metal buildup on your hot tub or spa; Prevents stains caused by iron or other metals.More information #ad
Use: when combined with Defender, this spa care chemical helps prevent scale formation. Compatibility: Chlorine, bromine, ozone and biguanide sanitizers. Long lasting: you only need to use it once at the fill or refill with new spa water.Brand | LEISURE TIME #ad |
Manufacturer | Leisure Time #ad |
Height | 7.88 inches |
Length | 2.38 inches |
Weight | 1 Pounds |
Width | 2.38 inches |
Part Number | FBA_2012 |
Model | LEISURE TIME - D - 16oz |
Warranty | Warranty |
More information #ad
2. GLB
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GLB 71018A GL Industries 71018 Sequa-Sol 1-Gallon Sequestering Agent
#adGLB #ad - Protects pool equipment and surfaces from stains, scale and rust. Compatible with chlorine, bromine, biguanide, ozone and salt water sanitizing systems.More information #ad
Brand | GLB #ad |
Manufacturer | GLB #ad |
Height | 6 Inches |
Length | 6 Inches |
Width | 6 Inches |
Part Number | 71018A |
Model | 71018A |
More information #ad
3. SpaGuard
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Quart, SpaGuard Spa Stain/Scale Control
#adSpaGuard #ad - Spaguard spa stain & Scale Control - 1 Quart. Prevents scale formation and cloudy water due to high calcium levels. Simply add this powerful liquid formula weekly to safeguard your spa or hot tub from these threats.More information #ad
Color of the liquid is natural brown. Removes relatively fresh metal stains from spa surfaces. Removes some scale buildup on spa surface.Brand | SpaGuard #ad |
Manufacturer | BioLab #ad |
Height | 2 Inches |
Length | 6 Inches |
Weight | 2 pounds |
Width | 2 Inches |
Part Number | BIO42356 |
Model | BIO42356 |
Warranty | Returns are not accepted on opened or used products and subject to a 20% restocking fee. |
More information #ad
4. SpaGuard
#ad
SpaGuard Spa Stain/Scale Control, Pint
#adSpaGuard #ad - Removes relatively fresh metal stains from spa surfaces. Prevents scale formation and cloudy water due to high calcium levels. Removes some scale buildup on spa surface.More information #ad
Brand | SpaGuard #ad |
Manufacturer | SpaGuard #ad |
Height | 6 Inches |
Length | 7 Inches |
Width | 6 Inches |
Part Number | 42358BIO |
Model | BIO42358 |
More information #ad
5. SpaChoice
#ad
1-Quart, 1-Pack, SpaChoice 2-2550 Metal Free Pool Water Metal Remover
#adSpaChoice #ad - Helps remove and prevent calcium, iron, cobalt, copper, manganese, lead, nickel and silver.1 qt. Per 10, 000 gallons. Sequestering agent that prevents metal staining and corrosion in your pool.More information #ad
Brand | SpaChoice #ad |
Manufacturer | Spa Choice #ad |
Height | 12 inches |
Length | 3 inches |
Weight | 2 pounds |
Width | 3 inches |
Part Number | 2-2550 |
Model | 2-2550 |
More information #ad
6. LEISURE TIME
#ad
1 qt, Leisure Time 45510 Control Spa and Hot Tub Care
#adLEISURE TIME #ad - Compatibility: works with leisure time Simple Spa Care specialty line of products and specifically designed to work in the Free biguanide system with Boost Free.Contain sequestering agent. Removes stain and scale. Features: prevents waterline residue and controls metallic stains and scale; Contains sequestering agent; Removes stain and scale.
More information #ad
Includes: one 1-qt bottle of Leisure Time Control. Benefits: formulated to prevent the ring around the spa surface caused by oils, minerals, organics, and scale. Prevents waterline buildup. Use: apply at start up and weekly thereafter; Add this product before adding Boost or Free.Brand | LEISURE TIME #ad |
Manufacturer | Leisure Time #ad |
Height | 9.38 inches |
Length | 3.12 inches |
Weight | 2 pounds |
Width | 3.12 inches |
Part Number | 45510 |
Model | 45510 |
More information #ad
7. LEISURE TIME
#ad
Leisure Time Spa Hot Tub Weekly Stain and Scale Care Control Defender 3 Pack Blue
#adLEISURE TIME #ad - Removes existing scale. Use weekly in spas and hot tubs. 32-fluid ounce blend of organic polymers to prevent scale formation. Add 2-ounces for spas up to 800-gallons, 4-ounces for spas over 800-gallons. Helps prevent precipitation of dissolved solids.More information #ad
Brand | LEISURE TIME #ad |
Manufacturer | Leisure Time #ad |
Height | 0 Inches |
Length | 0 Inches |
Weight | 2.17 pounds |
Width | 0 Inches |
Part Number | 3xLONZA-B |
More information #ad
8. Clorox
#ad
Metal & Stain Control 32 oz, Clorox Pool&Spa Scale
#adClorox #ad - Perfect for treating hard water. Removes fresh metal stains including Iron and copper. Prevents metal stains and scale formation.More information #ad
Brand | Clorox #ad |
Manufacturer | Chem Lab Products, Inc. #ad |
Height | 10.19 Inches |
Length | 3.13 Inches |
Weight | 2 Pounds |
Width | 3.13 Inches |
Part Number | 50032CLX |
Model | 50033CLX |
More information #ad
9. Puri Tech
#ad
Puri Tech Pool Chemicals 10 lb Calcium Hardness Increaser Plus for Swimming Pools & Spas Increases Calcium Hardness Levels Prevents Surface Staining
#adPuri Tech #ad - 20, 25 lbs/100ppm, 000 gallons: 3 lbs to increase hardness 50ppm, 12.5 lbs/200ppm. Calcium hardness increaser active ingredients: Calcium Chloride.Raises calcium hardness increaser for pool and spas. Dosage: 2, 12. 5 lbs/100ppm, 6. 25 lbs/100ppm, 6. 25 lbs/200ppm. Puri tech pool calcium increaser fast acting formula. Balance calcium hardness level prevents foaming and surface erosion or scaling.
More information #ad
Calcium hardness increaser for pool and spa available in resealable bags for easy storage. 10, 3 lbs/100ppm, 000 Gallons: 1. 5 lbs to increase hardness 50ppm, 50 Lbs/200ppm. 5, 000 gallons: 6. 25 lbs to increase hardness 50ppm, 000 gallons: 105 lbs to increase hardness 50ppm, 25 lbs/200ppm.Brand | Puri Tech #ad |
Manufacturer | Puri Tech #ad |
Weight | 10 pounds |
Part Number | PCC |
Model | PCC |
More information #ad
10. Spa Essentials
#ad
1-Pint, Spa Essentials 28304000 Stain and Scale Control for Spas and Hot Tubs
#adSpa Essentials #ad - Prevents stains from Dissolved Metals Including Iron, Copper And Manganese. Liquid Formula. No assembly Required. Prevents scale formation From Excess Calcium In Water.More information #ad
Brand | Spa Essentials #ad |
Manufacturer | Robelle Industries #ad |
Height | 8 Inches |
Length | 3 Inches |
Weight | 1 pounds |
Width | 3 Inches |
Part Number | 28304000 |
Model | 28304000 |
Warranty | Returns are not accepted on opened or used products and are subject to a 20% restocking fee |
More information #ad
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