Model # CON/CLE QT SG

Internet #100672861

Miracle Sealants 32 oz. Fast-Acting Phosphoric Acid Cleaner
0753927512155

Miracle Sealants

32 oz. Fast-Acting Phosphoric Acid Cleaner

  • Removes residue, rust, and hard water deposits
  • Indoor and outdoor safe
  • For use on marble, granite, and concrete
$11.97 /quart

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Product Overview

The Miracle Sealants 32 oz. Fast-Acting Phosphoric Acid Cleaner is designed for pre-cast concrete, flamed and honed granite, tumbled and honed marble and more. Designed for interior and exterior use. The cleaner works to remove grout and mortar residue, hard water deposits and rust.

  • Easy to use
  • Not for polished surfaces
  • Interior and exterior use
  • Cost effective
  • Concentrated formula

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Customer Questions & Answers

42 Questions20 Answers

Customer Questions & Answers

32 oz. Fast-Acting Phosphoric Acid Cleaner
32 oz. Fast-Acting Phosphoric Acid Cleaner

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Answers (3)

Asked by
Lafayette, LA
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Home Improvement Profile: Professional
December 7, 2015
Answer: 
Muratic acid and hydrochloric acid are the same thing.
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Asked by
Marietta, GA
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Home Improvement Profile: DIYer
April 18, 2015
Answer: 
Muriatic acid and hydrochloric acid are one and the same thing in that they both contain the active ingredient HCl. The difference between the two is muriatic acid has more impurities that the reagent grade of hydrochloric acid. Reagent grade HCl is clear and colorless like water whereas muriatic acid is yellow in color due to impurities. Reagent grade HCl is used for analytical purposes where muriatic Read More
Muriatic acid and hydrochloric acid are one and the same thing in that they both contain the active ingredient HCl. The difference between the two is muriatic acid has more impurities that the reagent grade of hydrochloric acid. Reagent grade HCl is clear and colorless like water whereas muriatic acid is yellow in color due to impurities. Reagent grade HCl is used for analytical purposes where muriatic acid is used for industrial purposes and for cleaning. Read Less
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Asked by
Orange,Calfornia
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Home Improvement Profile: Professional
February 11, 2015
Answer: 
While we don't sell hydrochloric acid, I can't guarantee that the higher pH muriatic acid would be suitable for your son's science fair project.
I'd advise to speak to the teacher to see if this would be a viable alternative. Otherwise, you can purchase actual hydrochloric acid online via various sites.
Joseph
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2 answers

I need to clean natural boulders for landscaping

This question is from 32 oz. Fast-Acting Phosphoric Acid Cleaner
Asked by
Wisconsin
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May 19, 2016
I have several boulders that need to be cleaned, the boulders are located in our landscaping. Will this product kill vegetation around boulders? Is the residue safe for pets after the cleaning is done?
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Answers (2)

May 20, 2016
Answer: 
The cleaner removes grout and mortar residue, hard water deposits and rust.
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May 20, 2016
Answer: 
Hello Totty,
This product is an acidic based cleaner, it may harm vegetation around the boulders and we would recommend protecting surrounding surfaces. The product should be rinsed thoroughly and no residue left behind.
Thank You,
Miracle Sealants Company
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1 answer

We installed some porcelain tile and it has some white dust stuff I'm assuming is grout haze will this work on removing

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October 19, 2016
What is the best product for this job
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October 19, 2016
Answer: 
This will remove grout and mortar residue, hard water deposits and rust.
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Will this remove rust from my brick chimney exterior?

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September 17, 2016
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Answer (1)

September 19, 2016
Answer: 
Hello HH,
Yes, phosphoric acid cleaner will remove rust from an exterior chimney.
Thank You,
Miracle Sealants Company
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Customer Reviews

32 oz. Fast-Acting Phosphoric Acid Cleaner is rated 4.0 out of 5 by 20.
Rated 5 out of 5 by from Another good product for cleaning rusty motorcycle gas tanks Here is another good available product to clean out rusty gas tanks on motorcycles, ATV's,scooters, go-karts etc....... 1 bottle will do most rusty gas tanks motorcycle size.... Be careful and research on google safety requirements and disposel methods of used acid.... Also flush tank out really well with clean water and then add a half box of baking soda to fuel tank and fill with water half way and slosh around good to neutralize acid, flush again with clean water, dry as best as can , then dry even more with MEK, Acetone.... Tank will not rust easily after all this, phosphoric acid treats metal to slow rust process down....... cheers!
Date published: 2012-08-01
Rated 5 out of 5 by from Just what I needed to repair some rust spots on my car. Phosphoric Acid works well for rust remo... Just what I needed to repair some rust spots on my car. Phosphoric Acid works well for rust removal. The 32 oz. size will last me for some time.
Date published: 2016-11-15
Rated 5 out of 5 by from safer to use indoors I used it to clean concrete floor prior to installing porcelain tiles. I cut it with a bit of water and it cleaned the floor real well. It was not a very strong odor with a fan running and a window open. Actually pretty tame and I felt much safer than if using muriatic acid.
Date published: 2012-09-06
Rated 4 out of 5 by from Mineral Buildup gone! We had a stone shower with terrible mineral stains on the slate tile when we moved in to our home. It took two treatment to remove all of it, but I was so pleased with the results. I truly thought we would have to replace the tile, nothing else even came close to getting the residue off the slate. Follow the directions and make sure to keep the area well ventilated.
Date published: 2014-07-08
Rated 5 out of 5 by from great product this is the best product to get water stains of.i have tried everything and this is so easy you wipe it on and leave depending how bad .about a hour and rinse off.no hard work
Date published: 2015-02-03
Rated 1 out of 5 by from Didn't work in removing hard water stains on my brick Didn't work in removing hard water stains on my brick
Date published: 2015-07-28
Rated 5 out of 5 by from Great Product! My church's rest room has kind of old strong water stain on Toilet bowls. Many trials with many other products have no result except this Cleaner. Just enjoy it!
Date published: 2013-04-27
Rated 4 out of 5 by from Great product but do not dilute as recommended I was able to remove about 80% of the efflorescence from the concrete patio. Great start, but I will go at it again with a higher concentrate. I would recommend this product!
Date published: 2014-08-05
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