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Customer reviews for 32 oz. Fast-Acting Phosphoric Acid Cleaner

32 oz. Fast-Acting Phosphoric Acid Cleaner

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.
Overall rating:
4.556 / 5
4.6
 / 
5
(9 reviews) 9
Open Ratings Snapshot
Rating breakdown 9 reviews
5 stars
7
4 stars
1
3 stars
0
2 stars
1
1 star
0
8 out of 9(89%)reviewers recommend this product.
Customer reviews for 32 oz. Fast-Acting Phosphoric Acid Cleaner
Review 1 for 32 oz. Fast-Acting Phosphoric Acid Cleaner
Overall rating 
5 / 5
5 / 5

Another good product for cleaning rusty motorcycle gas tanks

,
PostedJuly 31, 2012
Customer avatar
Fettaffen
from Arizona, USA
 
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Age:45 to 54
Gender:Male
Home improvement profile:Professional
Level of expertise:Advanced
Length of ownership:1 year or longer
Quality 
5 / 5
5 / 5
Value 
5 / 5
5 / 5
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!
Pros: High Quality
Yes, I recommend this product.
+7points
7out of 7found this review helpful.
Review 2 for 32 oz. Fast-Acting Phosphoric Acid Cleaner
Overall rating 
4 / 5
4 / 5

Used it for inside of motorcycle tank

,
PostedMay 14, 2013
Customer avatar
Yony
Quality 
4 / 5
4 / 5
Value 
4 / 5
4 / 5
I used it to clean rust from inside of motorcycle tank but it didn't take all out. It took about half of the rust out. Not sure if I didn't do it right... I didn't mix it with water. I used it pure and just shake it inside the tank and left it overnight inside the tank.
Yes, I recommend this product.
0points
0out of 0found this review helpful.
Review 3 for 32 oz. Fast-Acting Phosphoric Acid Cleaner
Overall rating 
5 / 5
5 / 5

Great Product!

,
PostedApril 27, 2013
Customer avatar
bestcleanerchaser
Age:55 to 64
Gender:Male
Home improvement profile:Other
Level of expertise:Beginner
Length of ownership:1 month
Quality 
5 / 5
5 / 5
Value 
5 / 5
5 / 5
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!
Yes, I recommend this product.
0points
0out of 0found this review helpful.
Review 4 for 32 oz. Fast-Acting Phosphoric Acid Cleaner
Overall rating 
5 / 5
5 / 5

safer to use indoors

,
PostedSeptember 6, 2012
Customer avatar
hoolio
Quality 
5 / 5
5 / 5
Value 
5 / 5
5 / 5
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.
Pros: Easy to Use
Yes, I recommend this product.
+2points
2out of 2found this review helpful.
Review 5 for 32 oz. Fast-Acting Phosphoric Acid Cleaner
Overall rating 
5 / 5
5 / 5

Is more effective than I had hoped.

,
PostedJuly 31, 2012
Customer avatar
ruggedhills
from Prescott Valley, AZ
 
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Age:55 to 64
Gender:Male
Home improvement profile:DIYer
Level of expertise:Intermediate
Length of ownership:1 month
Quality 
5 / 5
5 / 5
Value 
5 / 5
5 / 5
This product worked better on difficult toilet bowl build-ups than anything else we've used.
Pros: High Quality
Yes, I recommend this product.
+1point
1out of 1found this review helpful.
Review 6 for 32 oz. Fast-Acting Phosphoric Acid Cleaner
Overall rating 
5 / 5
5 / 5

Great

,
PostedOctober 30, 2012
Customer avatar
Mack
Quality 
5 / 5
5 / 5
Value 
5 / 5
5 / 5
Worked great on removing rust from old Harley gas tank!!!
Pros: Easy to Use, Good Size & Weight
Cons: had to order online
Yes, I recommend this product.
0points
0out of 0found this review helpful.
Review 7 for 32 oz. Fast-Acting Phosphoric Acid Cleaner
Overall rating 
5 / 5
5 / 5

This product worked wonders on efferescence

,
PostedJune 26, 2011
Customer avatar
orhomeowner
from Ashland, OR
 
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I bought this product to get rid of efferescence on some concrete stone blocks. It worked like a charm. It was easy to mix and apply.
Yes, I recommend this product.
+2points
5out of 8found this review helpful.
Review 8 for 32 oz. Fast-Acting Phosphoric Acid Cleaner
Overall rating 
5 / 5
5 / 5

Execellent product if you know how to used it!

,
PostedApril 29, 2012
Customer avatar
Handywoman01
from Tampa Florida
 
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Age:25 to 34
Gender:Female
Home improvement profile:DIYer
Level of expertise:Advanced
Length of ownership:1 year or longer
Quality 
5 / 5
5 / 5
Value 
5 / 5
5 / 5
Be careful always when using chemicals, used gloves and eye protection. I always tell this even my sister. Is a great product to clean old and new grout, tile, cement, stone cleaner. Hard water deposits etc.
Yes, I recommend this product.
0points
1out of 2found this review helpful.
Review 9 for 32 oz. Fast-Acting Phosphoric Acid Cleaner
Overall rating 
2 / 5
2 / 5

Old Tile & Grout Cleaner

,
PostedSeptember 6, 2011
Customer avatar
Linda
did not clean the old tile and grout in bathroom...
No, I do not recommend this product.
-1point
1out of 3found this review helpful.