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#4647893 - 01/27/18 10:30 AM Anyone use Muriatic Acid?
Dobbie Offline

Registered: 01/17/18
Posts: 31
Loc: Chester County/Pa.
Its a beautiful day here today in my parts. Supposed to get up to 57 degrees & im looking forward to cleaning the brick on my one side of my house. The white siding has bled some down onto the brick & am wondering how muriatic acid would work mixing with water at the recommended parts to scrub/clean the brick?

#4647906 - 01/27/18 10:39 AM Re: Anyone use Muriatic Acid? [Re: Dobbie]
Leo99 Offline

Registered: 03/30/14
Posts: 2765
Loc: NJ
Safety is no accident

Edited by Leo99 (01/27/18 10:39 AM)
Without data you're just another person with an opinion. W. E. Deming

2003 Corolla 250,000 miles
2004 Rav4 333,000 miles
2015 Camry 40,000 miles

#4647907 - 01/27/18 10:40 AM Re: Anyone use Muriatic Acid? [Re: Dobbie]
Linctex Offline

Registered: 12/31/16
Posts: 5183
Loc: Waco, TX
Have you tried just a power washer first? That usually does the trick.

It needs to be diluted a fair bit.
Try 3% or 5% at first, you can always add more acid as needed to strengthen it.
"The evidence demands a verdict".
(Re:VOA)"it's nearly impossible to actually know the particular additives that are in there at what concentrations."

#4647927 - 01/27/18 11:15 AM Re: Anyone use Muriatic Acid? [Re: Dobbie]
oldhp Offline

Registered: 06/28/12
Posts: 1499
Loc: USA
I used this back when I laid brick. Approx 16oz per 4gal in a 5 gal bucket. You can always do it twice......but you only burn it once. GOGGLES are a must!!!!! Have somebody back you up. Have fresh water on hand if you get it on you OR in your eyes. This is not something to take lightly.

#4647933 - 01/27/18 11:19 AM Re: Anyone use Muriatic Acid? [Re: Dobbie]
Dobbie Offline

Registered: 01/17/18
Posts: 31
Loc: Chester County/Pa.
I have tired power washing with a good cleaner to no prevail. Thats why I was wondering about going the muriatic acid route??

#4647952 - 01/27/18 11:46 AM Re: Anyone use Muriatic Acid? [Re: Dobbie]
3800Series Offline

Registered: 08/02/14
Posts: 1450
Loc: Gulf Coast, MS
1 gallon too 5 gallons don't waste your time using less I've handled this stuff for 30+ years (many times bear handed). It's not until you get to the 1-2 and 1-1 can it really effect you.

#4647960 - 01/27/18 11:58 AM Re: Anyone use Muriatic Acid? [Re: Dobbie]
Delta Offline

Registered: 04/20/14
Posts: 1017
Loc: South Central PA
Used to use it when I had the old house with the inground pool for PH control. Also use it for cleaning bare concrete before painting, usually a quart to a couple gallons.
'17 VW Golf GTI 2.0T - 6MT - 5K
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#4647991 - 01/27/18 12:42 PM Re: Anyone use Muriatic Acid? [Re: Dobbie]
Pajero Offline

Registered: 05/05/12
Posts: 774
Loc: Rio Rancho, NM
Poured it on my driveway once (young dumb) and started scrubbing. Not for long. I didn't dilute it and was overcome by burning in the lungs. Never did that again. It works well. Read the directions carefully. Very strong acid.


Always remember "Planned obsolescence."

1994 Montero SR 3.5 DOHC, 128,xxx
Fram Ultra/ Snorkel with Pre-filter

#4648064 - 01/27/18 02:30 PM Re: Anyone use Muriatic Acid? [Re: Dobbie]
slowrench Offline

Registered: 11/14/15
Posts: 24
Loc: california
Im wondering exactly what bled onto brick.Maybe test a spot(3 parts water,1 part acid MAX).Ive only used muratic acid on stains caused by mortar,concrete or thinset,after the building process.

#4648167 - 01/27/18 04:32 PM Re: Anyone use Muriatic Acid? [Re: Dobbie]
jackz Offline

Registered: 12/18/10
Posts: 39
Loc: Cape Coral Fl.
Don't use that their are other acids check at Lowes or Home Depot It will work slower but much safer. I pressure cleaned over 20 years and muriatic acid is not safe to use even the smallest wind shift and you will not be able to breath . I use it in my swimming pool only for balance.

#4648608 - 01/28/18 04:43 AM Re: Anyone use Muriatic Acid? [Re: Dobbie]
jakewells Offline

Registered: 12/28/12
Posts: 309
Loc: Cave City KY
i use it to clean the aluminum transfer off crankshafts and cylinders when rebuilding engines.
1994 Ford F150 302 4R70
Chevron Delo SAE 30 Fram XG8A