---
product_id: 40824609
title: "Duda Energy 1 Quart / 950ml 85% Food Grade Phosphoric Acid Rust Remover Clean Etch Metal"
brand: "duda energy"
price: "S/.303"
currency: PEN
in_stock: true
url: https://www.desertcart.pe/products/40824609-duda-energy-1-quart-950ml-85-food-grade-phosphoric-acid
store_origin: PE
region: Peru
---

# 950ml Volume 85% Purity Rust Remover Duda Energy 1 Quart / 950ml 85% Food Grade Phosphoric Acid Rust Remover Clean Etch Metal

**Brand:** duda energy
**Price:** S/.303
**Availability:** ✅ In Stock

## Summary

> 🧼 Rust Be Gone! - Your Metal's Best Friend Awaits!

## Quick Answers

- **What is this?** Duda Energy 1 Quart / 950ml 85% Food Grade Phosphoric Acid Rust Remover Clean Etch Metal by duda energy
- **How much does it cost?** S/.303 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.pe](https://www.desertcart.pe/products/40824609-duda-energy-1-quart-950ml-85-food-grade-phosphoric-acid)

## Best For

- duda energy enthusiasts

## Why This Product

- Trusted duda energy brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Safe and Effective:** Food-grade quality ensures safety while delivering powerful results.
- • **Versatile Metal Etching:** Perfect for prepping surfaces before painting or coating.
- • **Join the Clean Revolution:** Be part of a community that values effective and safe cleaning solutions.
- • **Unleash the Power of Purity:** Experience 85% food-grade phosphoric acid for superior rust removal.
- • **Generous Volume for Big Jobs:** With 950ml, tackle multiple projects without running out.

## Overview

Duda Energy's 1 Quart (950ml) 85% Food Grade Phosphoric Acid is a powerful rust remover designed for effective metal etching and cleaning. With a high purity level, it ensures safe and efficient rust removal, making it ideal for both professional and DIY projects.

## Description

Duda Energy 1 Quart / 950ml 85% Food Grade Phosphoric Acid Rust Remover Clean Etch Metal

## Features

- Food Grade
- 85% Purity (15% water)
- Typically used to remove rust from metals

## Product Details

- **Brand:** Duda Energy
- **Item Form:** Liquid
- **Scent:** Sour
- **Specific Uses For Product:** Drain
- **Item Volume:** 950 Milliliters

## Images

![Duda Energy 1 Quart / 950ml 85% Food Grade Phosphoric Acid Rust Remover Clean Etch Metal - Image 1](https://m.media-amazon.com/images/I/61cPTRRNZeL.jpg)

## Available Options

This product comes in different **Size** options.

## Questions & Answers

**Q: I heard I should use Phosphoric acid to etch grout before applying a sealant.  Would this product be good for that?**
A: using Phosphoric acid on grout will basically erode or eat away a very fine layer of grout. this opens the pores and gives the grout more bite for the color seal to bond. When grout cures after installation, it gets almost like a skin on the surface from settling, or at least a tighter surface tension. When you hit this with Phosphoric acid, it opens it up and makes it slightly rougher. If you don't color seal, it will make it more prone to staining in the future.

It doesn't always need to be done, but it will help the color seal bond.

**Q: Can I use this on rusty kitchenware? Like pots and pans,?**
A: This can  be used as a rust remover. Be sure to use gloves! Great for cleaning residue from metals.

**Q: Can I clean the rust from cast iron cooking pans with this?  It says it has an inhibitor that remains behind, so I wasn't sure if it would be safe.**
A: USE POTATO AND COURSE SALT TO CLEAN CAST IRON. but FIRST !!! PUT IT IN A RED HOT CAMP FIRE COALS AND BURN IT OFF BEST WAY!!! THEN AFTER IT COOLS OFF ENOUGH TO NOT CATCH THE VEG OIL ON FIRE WHEN YOU APPLY IT TO THE CAST IRON.  BEST results! you can use charcoal also

**Q: I use a bathroom cleaner that contains 3.5% phosphorus acid. Is this product suitable for diluting to 3.5% with water for use as a bathroom cleaner?**
A: Yes, diluted phosphoric works well as a lime and hard water deposit remover for concrete, tile, and other stone surfaces.

## Frequently Bought Together

- Duda Energy 1 Quart / 950ml 85% Food Grade Phosphoric Acid Rust Remover Clean Etch Metal
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*Product available on Desertcart Peru*
*Store origin: PE*
*Last updated: 2026-01-22*