--- product_id: 381791792 title: "Spa Metal Control - 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" brand: "mav aquadoc" price: "€ 56.56" currency: EUR in_stock: true category: "Mav Aqua Doc" url: https://www.desertcart.pt/products/381791792-spa-metal-control-advanced-spa-metal-and-stain-control-spa store_origin: PT region: Portugal --- # 16 fl oz precise dosing Prevents metal stains Made in USA quality Spa Metal Control - 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 **Brand:** mav aquadoc **Price:** € 56.56 **Availability:** ✅ In Stock ## Summary > 🛁 Keep your spa sparkling—metal stains don’t stand a chance! ## Quick Answers - **What is this?** Spa Metal Control - 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 by mav aquadoc - **How much does it cost?** € 56.56 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.pt](https://www.desertcart.pt/products/381791792-spa-metal-control-advanced-spa-metal-and-stain-control-spa) ## Best For - mav aquadoc enthusiasts ## Why This Product - Trusted mav aquadoc brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Dual Action Formula:** Prevents metal buildup before it starts and removes existing metal deposits. - • **Save Time & Money on Spa Care:** Reduce the need for frequent stain and scale treatments with proactive metal control. - • **Trusted American Craftsmanship:** Proudly made in the USA with premium ingredients and top-tier quality control. - • **Shield Your Spa from Metal Stains:** Stops iron, copper & manganese from oxidizing and ruining your spa’s finish. - • **Effortless Maintenance with Simple Dosing:** Add 1 pint per 625 gallons, circulate 30 mins, and enjoy crystal-clear water. ## Overview MAV AquaDoc Spa Metal Control is a 16 oz liquid treatment designed to prevent and remove metal buildup in hot tubs and spas. By inhibiting oxidation of metals like iron and copper, it protects your spa’s surface from unsightly stains and discoloration. Easy to use with precise dosing instructions, this USA-made formula ensures long-lasting, crystal-clear water while reducing the need for frequent stain and scale treatments. ## Description The best spa metal and stain control chemical for hot tubs. Consider the Metal Gone – Hot tubs often gather buildup from metal deposits. That’s where our spa metal prevent chemical is able to help remove this problem by keeping your spa metal free to begin with. Our spa metal prevent keeps iron and other metals from oxidizing, which can stain the spas finish. Using metal prevent before filling your hot tub allows you to enjoy a metal free spa. The Best Spa Metal Protector – Using our spa metal prevent chemical is your first line of spa defense for avoiding metal buildup in your hot tub, spa, or jacuzzi. Keep your Jacuzzi metal free with our spa metal control liquid.Metal Remover for Hot Tub - If failed to use our spa metal prevention chemical, our product can act as a metal remover for your hot tub to ensure the metal is gone. Enjoy a metal free spa once again after using our hot tub metal remover that will rid your spa of metal deposits that can stain your hot tub shell. Hot Tub Stain and Scale Control Alternative - Using our hot tub metal control chemical allows you to avoid using a spa stain and scale control product as often. If your hot tub has issues specifically with metal stains, then our metal preventer can help keep your hot tub metal free from the start.How to use AquaDoc Metal Prevent - Using our spa metal prevent chemical is easy. Simply keep the circulation pump running and add 1 pint (or 16 fl oz) of our metal control liquid around the waterline for every 625 gallons of water. Once added, circulate the spa water for 30 minutes. Then enjoy metal free hot tub water at your leisure.Our spa metal stain remover and hot tub metal stain control chemical is the perfect way to keep your spa metal free. At MAV AquaDoc, we make all of our chemicals in the USA to ensure they are held to the highest quality standards in hot tub chemicals. ## Features - 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. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B08QNJD9SX | | Brand | MAV AquaDoc | | Brand Name | MAV AquaDoc | | Customer Reviews | 4.6 out of 5 stars 490 Reviews | | Item Form | Liquid | | Item Weight | 16 Ounces | | Item form | Liquid | | Item weight | 16 Ounces | | Manufacturer | MAV AquaDoc | | Manufacturer Part Number | Metal-Variation | | Model Number | Metal-Variation | | Number of Items | 1 | | Product Benefits | Prevents Scales,Prevents Stains | | Product benefits | Prevents Scales,Prevents Stains | | UPC | 850026022063 | | Unit Count | 16 Fluid Ounces | ## Product Details - **Brand:** MAV AquaDoc - **Item Weight:** 16 Ounces - **Item Form:** Liquid - **Product Benefits:** Prevents metal buildup and stains, maintains clear pristine water, extends spa equipment lifespan - **UPC:** 850026022063 ## Images ![Spa Metal Control - 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 - Image 1](https://m.media-amazon.com/images/I/71+NCxMRUzL.jpg) ## Frequently Bought Together - MAV AquaDoc Spa Metal Control - 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 16oz - Spa Clarifier & Hot Tub Clarifier for Fast Acting Cloudy Water Treatment, The Spa Clarifier Hot Tub Owners Love, Use Our Hot Tub Water Clarifier to Keep Your Spa Clear & Balanced - MAV AquaDoc 16oz --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.pt/products/381791792-spa-metal-control-advanced-spa-metal-and-stain-control-spa](https://www.desertcart.pt/products/381791792-spa-metal-control-advanced-spa-metal-and-stain-control-spa) --- *Product available on Desertcart Portugal* *Store origin: PT* *Last updated: 2026-09-30*