Oxalic Acid (2 lbs) 99.6% Pure - Multipurpose Cleaner and Stain Remover for Wood, Metal & Stone - Rust Removal - Wood Restorer - Deck Cleaner. Packed in Durable Resealable Packaging.
Oxalic Acid (2 lbs) 99.6% Pure - Multipurpose Cleaner and Stain Remover for Wood, Metal & Stone - Rust Removal - Wood Restorer - Deck Cleaner. Packed in Durable Resealable Packaging.
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PuraMinz

Oxalic Acid (2 lbs) 99.6% Pure - Multipurpose Cleaner and Stain Remover for Wood, Metal & Stone - Rust Removal - Wood Restorer - Deck Cleaner. Packed in Durable Resealable Packaging.

Oxalic Acid (2 lbs) 99.6% Pure - Multipurpose Cleaner and Stain Remover for Wood, Metal & Stone - Rust Removal - Wood Restorer - Deck Cleaner. Packed in Durable Resealable Packaging.Oxalic Acid 2 lbs 99 6 Pure Multipurpose Cleaner Stain Remover Wood Metal Stone Rust Removal Wood Restorer Deck Cleaner Packed Durable Resealable PacOxalic Acid 5 lbs 99 6 Pure Multipurpose Cleaner Stain Remover Wood Metal Stone Rust Removal Wood Restorer Deck Cleaner Packed Durable Resealable PacOxalic Acid 10 lbs 99 6 Pure Multipurpose Cleaner Stain Remover Wood Metal Stone Rust Removal Wood Restorer Deck Cleaner Durable Resealable Packaging
Size:2 lbs

Key item features

  • Multipurpose Cleaner: Versatile cleaner and stain remover for wood, metal, and stone surfaces.
  • Rust Removal: Effectively removes rust from metal surfaces, tools, and equipment.
  • Wood Restoration: Restores and brightens weathered wood surfaces like decks and fences.
  • Powerful Formula: Contains 99.6% pure oxalic acid to tackle tough stains and rust.
  • Durable Packaging: Comes in durable and resealable metalized packaging for safe transportation and extended shelf life.
  • Indoor & Outdoor Use: Suitable for use both indoors and outdoors, perfect for homes and institutions.
  • Easy Application: For best results, dissolve in warm water (always add acid to water).
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Current price is $16.89
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Sold by PuraMinz
Fulfilled by Walmart
4.928571428571429 stars out of 5, based on 28 seller reviews(4.9)
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4.7 out of 5 stars
stars41 ratings22 reviews
How item rating is calculated
  1. 5 stars83% (34)
  2. 4 stars12% (5)
  3. 3 stars2% (1)
  4. 2 stars0% (0)
  5. 1 star2% (1)

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Showing 1-3 of 22 reviews

Apr 26, 2026
ROBERTA
Item details
Size: 2 lbs
Sold byPuraMinzDelivered byWalmart
5 out of 5 stars review

Verified Purchase

I purchased this to get the stains out of my toilet. I think it’s calcium build up. Anyway, I mixed this as directed and left this to soak. A good portion of my problem was gone. I’ll do a second dose this week, I suspect it will all be gone. I’ve tried everything to remove the stains and this was effortless and works.

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Helpful?2FGX6SS4XBJN6233307920
Mar 25, 2026
BeachBum
Item details
Size: 5 lbs
Sold byPuraMinzDelivered byWalmart
5 out of 5 stars review

Verified Purchase

Great for bringing concrete back to life. Highly recommend! Fast shipping! Better price than on Amazon.! Works so well, buying another 5lbs

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Helpful?2FGX6SS4XBJN6233307920
Apr 12, 2026
Scott
Item details
Size: 5 lbs
Sold byPuraMinzDelivered byWalmart
5 out of 5 stars review

Verified Purchase

I have a sprinker system for all my grass. I have brown iron stains on my house and brick. I'm told this will get rid of the stains. i purchased this from Walmart because it was the best price i could find.

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Helpful?2FGX6SS4XBJN6233307920