Top 10 Best metal gone hot tub in 2026

Last Updated - 7/3/2026

🏆Best Choice

LEISURE TIME

Leisure Time D Metal Gon for Spas and Hot Tubs, Powerful Water Treatment Solution, 16 Ounce

9.8

ChoiceComparer.com Score

9.8

/ 10

Outstanding

Main highlights

•BENEFITS: Concentrated formula prevents iron and other metal buildup on your hot tub or spa; Prevents stains caused by iron or other metals
•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
•INCLUDES: One 16-oz bottle of Leisure Time Metal Gon

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$12.50

$19.99

-37%

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MAV AquaDoc

Spa Stain and Scale Control for Hot Tubs, Scale Metal & Stain Control for Hot Tubs, Prevent & Remove Stains in Hot Tubs with Our Hot Tub Water Softener & Spa Descaler Chemical | AquaDoc 32oz

9.7

ChoiceComparer.com Score

9.7

/ 10

Outstanding

Main highlights

•Spa Stain And Scale Control For Hot Tubs: Control stain and scale deposits with our Professional Grade Spa scale, metal, and stain control product. Spend your leisure time enjoying your hot tub instead of worrying about chalky build-up on spa equipment and surfaces.
•Compatible With Bromine & Chlorine: Our spa stain and scale preventer is compatible with both Bromine & Chlorine sanitized spas. Our 100% top quality spa descaler works hard to remove metal of all types. Get metal out of your hot tub, spa or pool water to avoid stains. Remove Calcium, Iron, Copper, and any other metal deposits to keep alkalinity down.
•Quick Dissolving Hot Tub Water Softener: Aqua Doc delivers Professional Grade spa defense for hard water prevention. Get clear water with our hot tub hardness decreaser for spa, hot tub, or pool. Using our hard water softener for spas is your best defense against metal and scale buildup in your water.
•Spa Calcium Decreaser: Our hot tub chemicals are your first line of spa defense against calcium. Decrease spa water hardness and reduce stains often created by high spa calcium levels. Reduce alkalinity levels with spa stain & scale.
•Made In The USA: Enjoy your leisure time while Spa chemicals stain and scale that Defends your hot tub against stain, scale and metals with the best spa products that are proudly made in the USA. Prevent stain and scale for hot tubs with our advanced, professional grade formula - leaving your spa, hot tub, or pool with clear, blue water.

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$29.99

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MAV AquaDoc

Spa Metal Control and Stain Protector to Protect Hot Tub Surfaces 16oz - Metal Gone Hot Tub Chemicals Made in The USA - AquaDoc

9.5

ChoiceComparer.com Score

9.5

/ 10

Outstanding

Main highlights

•Does your Spa have Brown or Green Water? It's likely from dissolved metals in your hot tub water. Buildup of metals like copper, iron, manganese, and other metals can stain your spa or hot tub. You need to get that metal out of your hot tub.
•Spa Metal Control for Hot Tubs - Don't let metal buildup in your hot tub. Eliminate metal before it starts and prevent metals from staining your spa or hot tub. Control the metal buildup be preventing iron & other metals from oxidizing to prevent metallic stains in your spa.
•Enjoy a Metal Free Spa - Before filling your hot tub, use our spa metal and stain control to keep your spa metal free and avoid metal stains that can cover your hot tub's surface.
•The Best Hot Tub Metal Control Chemical - The best way of preventing metal stains is to never let the metal buildup in your hot tub to begin with. Avoid needing to use a spa metal remover by controling the metal buildup before it happens.
•Made in the USA - Our spa metal control chemical is made in the USA by hard working Americans. When you order a metal control chemical from AquaDoc, you can trust you're getting top quality hot tub chemicals and the best customer service. You're also helping provide an income for a team that greatly appreciates your business.

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$21.99

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SpaChoice

SpaChoice 1-Pint Premium Metal Free, Metal Gone for Spa Hot Tub, Made in USA

9.4

ChoiceComparer.com Score

9.4

/ 10

Excellent

Main highlights

•Helps prevent metal staining and corrosion
•Use this product when filling or refilling your spa
•Add 16 ounces of this product around the spa waterline for each 625 gallons of spa water

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$13.11

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Pool Mate

Pool Mate 1-Pint Metal Gone for Hot Tubs, Prevents Metal Staining, Made in USA

9.2

ChoiceComparer.com Score

9.2

/ 10

Excellent

Main highlights

•Helps prevent metal staining and corrosion
•Use this product when filling or refilling your spa
•Add 16 ounces of this product around the spa waterline for each 625 gallons of spa water

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$13.52

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Leisure Time

Leisure Time D-04 Metal Gon, 1-Pint, 4-Pack

9.1

ChoiceComparer.com Score

9.1

/ 10

Excellent

Main highlights

•Concentrated formula prevents iron and other metal buildup on your hot tub or spa; Prevents stains caused by iron or other metals
•When combined with Defender, this spa care chemical helps prevent scale formation
•You only need to use it once at the fill or refill with new spa water

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$38.44

$41.99

-8%

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Pool Mate

Pool Mate 1-Pint Metal Gone for Hot Tubs, Prevents Metal Staining, Made in USA

8.9

ChoiceComparer.com Score

8.9

/ 10

Great

Main highlights

•Helps prevent metal staining and corrosion
•Use this product when filling or refilling your spa
•Add 16 ounces of this product around the spa waterline for each 625 gallons of spa water

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$12.55

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Leisure Time

Leisure Time D-02-A Metal Gon, 1-Pint, 2-Pack

8.8

ChoiceComparer.com Score

8.8

/ 10

Great

Main highlights

•Concentrated formula prevents iron and other metal buildup on your hot tub or spa; Prevents stains caused by iron or other metals
•When combined with Defender, this spa care chemical helps prevent scale formation
•You only need to use it once at the fill or refill with new spa water

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$28.15

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SpaChoice

SpaChoice 1-Pint 2-Pack Premium Metal Free, Metal Gone for Spa Hot Tub, Made in USA

8.6

ChoiceComparer.com Score

8.6

/ 10

Good

Main highlights

•Helps prevent metal staining and corrosion
•Use this product when filling or refilling your spa
•Add 16 ounces of this product around the spa waterline for each 625 gallons of spa water

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$28.04

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MAV AquaDoc

AquaDoc Spa Metal & Stain Control – Hot Tub Metal Prevent, Advanced Formula, 32oz

8.5

ChoiceComparer.com Score

8.5

/ 10

Good

Main highlights

•Does your Spa have Brown or Green Water? It's likely from dissolved metals in your hot tub water. Buildup of metals like copper, iron, manganese, and other metals can stain your spa or hot tub. You need to get that metal out of your hot tub.
•Spa Metal Control for Hot Tubs - Don't let metal buildup in your hot tub. Eliminate metal before it starts and prevent metals from staining your spa or hot tub. Control the metal buildup be preventing iron & other metals from oxidizing to prevent metallic stains in your spa.
•Enjoy a Metal Free Spa - Before filling your hot tub, use our spa metal and stain control to keep your spa metal free and avoid metal stains that can cover your hot tub's surface.
•The Best Hot Tub Metal Control Chemical - The best way of preventing metal stains is to never let the metal buildup in your hot tub to begin with. Avoid needing to use a spa metal remover by controling the metal buildup before it happens.
•Made in the USA - Our spa metal control chemical is made in the USA by hard working Americans. When you order a metal control chemical from AquaDoc, you can trust you're getting top quality hot tub chemicals and the best customer service. You're also helping provide an income for a team that greatly appreciates your business.

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$25.99

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