Top 10 Metal Free Spa Scale & Stain Control – Swimming Pool Stain Removers

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1. MAV AquaDoc


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

MAV AquaDoc #ad - Made in the usa: enjoy your leisure time while spa chemicals stain and scale that Defends your hot tub against stain, or pool with clear, 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, blue water.

Decrease spa water hardness and reduce stains often created by high spa calcium levels. Reduce alkalinity levels with spa stain & scale. Get clear water with our hot tub hardness decreaser for spa, hot tub, or pool. Remove calcium, copper, Iron, and any other metal deposits to keep alkalinity down. Using our hard water softener for spas is your best defense against metal and scale buildup in your water. Quick dissolving hot tub water softener: aqua doc delivers professional Grade spa defense for hard water prevention.

Spa stain and scale control for hot tubs: control stain and scale deposits with our Professional Grade Spa scale, metal, and stain control product. Spa calcium decreaser: our hot tub chemicals are your first line of spa defense against calcium. 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. Compatible with bromine & chlorine: our spa stain and scale preventer is compatible with both Bromine & Chlorine sanitized spas.
BrandMAV AquaDoc #ad
ManufacturerMAV AquaDoc #ad
Weight2 Pounds

2. Natural Chemistry


Natural Chemistry Spa Stain & Scale Free, Pt

Natural Chemistry #ad - Controls metal staining. Phosphate and acid free formula. Prevents calcium and mineral scale buildup.
BrandNatural Chemistry #ad
ManufacturerNatural Chemistry #ad
Height7 Inches
Length7 Inches
Weight1 Pounds
Width5 Inches
Part Number4122

3. Spa Essentials


1-Pint, Spa Essentials 28304000 Stain and Scale Control for Spas and Hot Tubs

Spa 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.
BrandSpa Essentials #ad
ManufacturerRobelle Industries #ad
Height8 Inches
Length3 Inches
Weight1 Pounds
Width3 Inches
Part Number28304000
WarrantyReturns are not accepted on opened or used products and are subject to a 20% restocking fee

4. hth Spa


HTH Spa 86224 Metal and Stain Control Spa and Hot Tub Cleaner, 16 fl oz

hth Spa #ad - Use: follow included directions for proper application and regular maintenance. Benefits: Prevents copper and other metal stain. Includes: one 16-fl oz container of HTH Spa Metal & Stain Control. Compatibility: Designed for use with spas, hot tubs, and jacuzzies. Features: disperses soy protein in water to promote soothing spa experience; Active ingredient-etidronic acid 5-10%; Made in the USA.
Brandhth Spa #ad
ManufacturerInnovative Water Care #ad
Height8.2 Inches
Length2.4 Inches
Weight1 Pounds
Width2.4 Inches
Part Number86224

5. NC Brands LP


Natural Chemistry Spa/Hot Tub Surface Stain and Scale Prevention Control Formula Solution, 33.9 Ounces

NC Brands LP #ad - Phosphate and acid free formula. Counteracts the effects excessive mineral scale buildup in spas. Controls metal staining.
BrandNC Brands LP #ad
ManufacturerNC Brands LP #ad
Height1 Inches
Length1 Inches
Weight2.12 Pounds
Width1 Inches
Part Number4222

6. Clorox Pool&Spa


Metal & Stain Control 32 oz, Clorox Pool&Spa Scale

Clorox Pool&Spa #ad - Perfect for treating hard water. Removes fresh metal stains including Iron and copper. Prevents metal stains and scale formation.
BrandClorox Pool&Spa #ad
ManufacturerChem Lab Products, Inc. #ad
Height10.19 Inches
Length3.13 Inches
Weight2 Pounds
Width3.13 Inches
Part Number50032CLX

7. MAV AquaDoc


Advanced Spa Metal and Stain Control & Spa Metal Prevent. Maximize Your Hot Tub Metal and Stain Control and Keep The Spa Metal Out of Your Hot Tub, MAV AquaDoc 16oz, Spa Metal Control

MAV AquaDoc #ad - You're also helping provide an income for a team that greatly appreciates your business. Buildup of metals like copper, iron, manganese, and other metals can stain your spa or hot tub. 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.

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. Control the metal buildup be preventing iron & other metals from oxidizing to prevent metallic stains in your spa. Eliminate metal before it starts and prevent metals from staining your spa or hot tub. Does your spa have brown or green water? it's likely from dissolved metals in your hot tub water.

Made in the usa - our spa metal control chemical is made in the usa by hard working Americans. Spa metal control for hot tubs - don't let metal buildup in your hot tub. You need to get that metal out of your hot tub. Avoid needing to use a spa metal remover by controling the metal buildup before it happens. 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.
BrandMAV AquaDoc #ad
ManufacturerMAV AquaDoc #ad
Weight1 Pounds

8. SpaGuard


Quart, SpaGuard Spa Stain/Scale Control

SpaGuard #ad - Simply add this powerful liquid formula weekly to safeguard your spa or hot tub from these threats. Color of the liquid is natural brown. Prevents scale formation and cloudy water due to high calcium levels. Spaguard spa stain & Scale Control - 1 Quart. Removes relatively fresh metal stains from spa surfaces. Removes some scale buildup on spa surface.
BrandSpaGuard #ad
ManufacturerBioLab #ad
Height2 Inches
Length6 Inches
Weight2 Pounds
Width2 Inches
Part NumberBIO42356
WarrantyReturns are not accepted on opened or used products and subject to a 20% restocking fee.

9. SpaChoice


Spa Choice 472-3-1001-02 Metal Free Stain Remover for Spas, 2-Pack, 1-Pint

SpaChoice #ad - Metal free is a sequestering agent that prevents metal staining and corrosion in your spa or hot tub. Spa choice metal free keeps iron and other metals from oxidizing, which can cause staining to the spa's finish. Downloadable user guide Available Under Product Information: Technical Specifications. Metal free also prevents scale build-up.
BrandSpaChoice #ad
ManufacturerSpa Choice #ad
Height6 Inches
Length10 Inches
Weight1 Pounds
Width4 Inches
Part Number472-3-1001-02

10. Belle Chemical


Stain and Scale Control for Pools, Spas and Hot Tubs

Belle Chemical #ad - Prevent metal staining and scale formation. Non-hazardous and environmentally safe. High concentration provides for use in all sizes of pools. Usable in fresh water and salt water. Compare to toxic and poisonous alternatives.
BrandBelle Chemical #ad
ManufacturerBelle Chemical #ad
Height5.2 Inches
Length10.5 Inches
Weight2.25 Pounds
Width5.2 Inches