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Florida Laboratories Oxalic Acid 99.6% Pure, 5 Lbs, Rust and Wood Stain Remover

Name: Florida Laboratories Oxalic Acid 99.6% Pure, 5 Lbs, Rust and Wood Stain Remover
Brand: Florida Laboratories
SKU: 925746730
Price: 23.99 USD
Availability: InStock
Rating: 4.9 (42 reviews)

|42 ratings

Key item features

OXALIC ACID 99.6% PURE (Dihydrate)
Rust Remover
Stain remover
For Metal
For wood
Concrete stain remover
Home, garden, industrial & commercial applications

Specs

Stain remover type
Laundry Stain Remover
Features
High Efficiency
Cleanser form
Powders
Size
5 lbs
Recommended surface
Multi-Surface
Scent
Unscented

Current price is $23.99

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Sold by Always White

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4.660060975609756 stars out of 5, based on 656 seller reviews(4.7)

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About this item

Product details

OXALIC ACID 99.6% Pure, 5 Lbs., Rust Remover, Stain Remover for Wood, and More. Oxalic acid's main application is for the removal of rust from metal. Its usefulness as a rust remover is due to its forming a stable, water-soluble ferric iron saline. Oxalic acid is also used for wood and can easily remove black stains caused by dissolved iron that bonds with the wood. Oxalic acid has hundreds of different uses.

OXALIC ACID 99.6% PURE (Dihydrate)
Rust Remover
Stain remover
For Metal
For wood
Concrete stain remover
Home, garden, industrial & commercial applications

info:

We aim to show you accurate product information. Manufacturers, suppliers and others provide what you see here, and we have not verified it.

Specifications

Stain remover type

Laundry Stain Remover

Features

High Efficiency

Cleanser form

Powders

Brand

Florida Laboratories

Warranty

Warranty information

None

Please be aware that the warranty terms on items offered for sale by third party Marketplace sellers may differ from those displayed in this section (if any). To confirm warranty terms on an item offered for sale by a third party Marketplace seller, please use the 'Contact seller' feature on the third party Marketplace seller's information page and request the item's warranty terms prior to purchase.

Ingredients

Inactive Ingredients

Oxalic Acid

Active Ingredients

Oxalic Acid

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Customer ratings & reviews

4.9 out of 5 stars

stars42 ratings24 reviews

How item rating is calculated

Filtered and sorted results would be available on the new 'Customer ratings & reviews' page.

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Showing 1-3 of 24 reviews

Dec 17, 2025

Marcia

Sold byAlways WhiteDelivered byWalmart

5 out of 5 stars review

Verified Purchase

Oxalic acid

Oxalic Acid, from Florida Laboratories, worked wonders cleaning the rust spots off our pool deck. Diluted with water, applied with a small brush, left for 30 minutes, power washed - beautiful! Thank-you!

Helpful?

Mar 19, 2026

Nikki

Sold byAlways WhiteDelivered byWalmart

5 out of 5 stars review

Verified Purchase

I have not used it yet. But from past experience with this companies products I am very satisfied. That is the reason I bought it from you.

Helpful?

Oct 30, 2024

Connie

Sold byAlways WhiteDelivered byWalmart

5 out of 5 stars review

Verified Purchase

works as fast as they deliver

it workes as states and i have plenty left over for future projects.

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Florida Laboratories Oxalic Acid 99.6% Pure, 5 Lbs, Rust and Wood Stain Remover

Key item features

Specs

How do you want your item?

Try 30 days of Walmart+ for just $1!

About this item

Product details

Specifications

Stain remover type

Features

Cleanser form

Brand

Warranty

Warranty information

Ingredients

Inactive Ingredients

Active Ingredients

Similar items you might like

Based on what customers bought

1K+ bought since yesterday OxiClean Versatile Stain Remover Powder for Around the Home and Laundry , 5 lb $11.78 14.7 ¢/oz

OxiClean Versatile Stain Remover Powder for Around the Home and Laundry , 5 lb

Star brite Rust Stain Remover - Gel Formula $10.43 65.2 ¢/fl oz

Star brite Rust Stain Remover - Gel Formula

Oxalic Acid 1 lbs - 99.6% Pure Fine Powder, Multi-Use Cleaner and Stain Remover for Wood, Metal, Rust, Wood Bleach, Hardwood Floor & Furniture Restorer, Pool - Industrial Cleaning Solution $11.95

Oxalic Acid 1 lbs - 99.6% Pure Fine Powder, Multi-Use Cleaner and Stain Remover for Wood, Metal, Rust, Wood Bleach, Hardwood Floor & Furniture Restorer, Pool - Industrial Cleaning Solution

Oxalic Acid 2 lbs - 99.6% Pure Fine Powder, Multi-Use Cleaner and Stain Remover for Wood, Metal, Rust, Wood Bleach, Hardwood Floor & Furniture Restorer, Pool - Industrial Cleaning Solution $15.95

Oxalic Acid 2 lbs - 99.6% Pure Fine Powder, Multi-Use Cleaner and Stain Remover for Wood, Metal, Rust, Wood Bleach, Hardwood Floor & Furniture Restorer, Pool - Industrial Cleaning Solution

Florida Laboratories Oxalic Acid 99.6% Pure for Wood, All-Purpose, 32 Ounce $15.85

Florida Laboratories Oxalic Acid 99.6% Pure for Wood, All-Purpose, 32 Ounce

OXALIC ACID 99.6% Pure, 1 Lbs, Rust and Wood Stain Remover for Boats, Concrete and More $14.99

OXALIC ACID 99.6% Pure, 1 Lbs, Rust and Wood Stain Remover for Boats, Concrete and More