muriatic acid to clean aluminum - Diesel Forum -
Other Technical Questions Discussion of other technical topics. Please see the sticky post at the top of the thread listing for specific rules. The rules for this forum are more restrictive than they have been in the past.

LinkBack Thread Tools Display Modes
post #1 of 7 (permalink) Old 08-27-2008, 12:29 PM Thread Starter
Senior Member
Join Date: Jul 2004
Posts: 219
Feedback Score: 0 reviews
muriatic acid to clean aluminum

A few years ago I cleaned my trailer with acid bought at a truck wash. Just brushed it on and rinsed . I now have a gallon of muriatic acid that was given to me. It is much stronger than what I had, it fumes and when it touches something. I assume it can be diluted. Can I clean my trailer with it and what ratio should I dilute it with water.
fieldtrialer is offline  
Sponsored Links
post #2 of 7 (permalink) Old 08-27-2008, 01:07 PM
Lifetime Supporting Member
Lifetime Supporting Member
bugman's Avatar
Join Date: May 2002
Location: Gypsum, Co
Posts: 6,895
Feedback Score: 1 reviews
I don't know about cleaning aluminum but it works great on masonry. You can dilute it with water and try a small part and see what it does and see if it has any harmful effects on the aluminum and go from there. You can also
Google it and get some answers.


96 F250 PS XLT 4X4 long box, 5sp,4.10, manual hubs,pyro+boost guages, Dark Toumaline, add a leaf, Dale's TYMAR, and HX hose, downpipe, coolant filter, Luk clutch
bugman is offline  
post #3 of 7 (permalink) Old 08-27-2008, 03:44 PM
Senior Member
Join Date: Nov 2006
Location: Beaufort,SC
Posts: 234
Feedback Score: 0 reviews
muriatic acid is as close to hydrocloric acid as you can get,,,,sulfuric acid eats aluminum!,,all the way,,nothing left....i wouldn't do it

2001 7.3. Lariat...
muffler delete,Isspro guages,AIS,SCMT 1705,CCV Mod,Zoodad Mod

Last edited by Lone20; 08-27-2008 at 04:00 PM. Reason: wrong type acid
Lone20 is offline  
post #4 of 7 (permalink) Old 08-27-2008, 04:00 PM Thread Starter
Senior Member
Join Date: Jul 2004
Posts: 219
Feedback Score: 0 reviews
I just spoke with someone that totally agrees with you he said it can also turn the alum. black.
fieldtrialer is offline  
post #5 of 7 (permalink) Old 08-28-2008, 02:53 AM
Senior Member
Join Date: Oct 1999
Location: San Leandro, CA bay area
Posts: 2,584
Feedback Score: 0 reviews
Originally Posted by fieldtrialer View Post
I just spoke with someone that totally agrees with you he said it can also turn the alum. black.
IT wont turn the aluminum black it will turn it white with black streaks. This is a process best left to a pro. I have 5 gall of aluminum acid was that i have had for several years now. I wont dare open the barrel.

Citric brightener works so much better and does much less damage.

If you must use either product it has to be done on a cool day less than 70 Deg. hose the trailer top top bottom don't be shy flood it.

Dilute whatever cleaner your going to use to its least potent form and Apply as recommended. DO NOT LET IT STAND AND DRY.

RINCE RINSE and Rinse some more.

00'F350 psd CC Drw 2wd Bright Amber Western Hauler, exhaust brake transfer flow 50 gal tank tool, 30K Cody goose neck hitch, hawk pads, cryo'ed rotors, stainless lines, 380,000 miles
02' Psd Excursion Limited ultimate Estate Green 7.3L Auto 2x4 hellwig swaybars and rancho 9000's. 381,000 miles.
1993 F-superduty (F-450) 7.3L Gutless non turbo 2x4 Auto, Tire eating S.O.B. 12,750lbs 80,000miles lincoln Vantage 500 Duetz bolted in the back.
1994 7.3 I.D.I.T. factory turbo, auto 2x4 DRW with lots of upgrades, 11 transmissions under 100K factory warranty. 280,000 miles Currently Cavitated and parked.
96 F-800 24'flat 5.9L cummins, 4spd allison juice brakes.
89 F-800 6.6L 5+2 27,00lbs light weight with National 556A crane behind the cab.
2006 T800 KW 550 C-15 18spd 22K front, 52K rears murray ramps, 195" W.B. CA spec heavy haul SOLD
2006 Murray 16 tire professional lowbed SOLD
1996 fetherlite 4 horse GN, Walton 18' 14K tag tilt equipment trailer.
Dualie is offline  
post #6 of 7 (permalink) Old 09-03-2008, 01:19 PM
Senior Member
Join Date: Jan 2004
Location: Suburban Minneapolis
Posts: 312
Feedback Score: 0 reviews
Do not, under any circumstances use muriatic or hydrochloric acid for aluminum. As others have said, you'll end up with black or black steaks (depending on the alloy) and the structural integrity of the aluminum may be compromised as well. I'd recommend a cleaner designed for alloy rims- they're usually like you described, brush on and spray off. Use the muriatic on your concrete but keep it away from your vehicles (31 years in the surface finishing/plating arena).


93 F350 CC Dually 7.3 Hypermax turbo 4:10 gears, ZF rower, K&N filter, home made ram-air, Hypermax 3.5" exhaust, LUK clutch, 150,000 mi.
Weezer is offline  
post #7 of 7 (permalink) Old 09-04-2008, 07:28 PM Thread Starter
Senior Member
Join Date: Jul 2004
Posts: 219
Feedback Score: 0 reviews
thanks to everone I dodged the bullet on this one. I bought some acid from a local truck wash, followed his directions and the trailer looks real good. I have one small section that sort of has a runny shadow. I thought I will do it again just in that spot.
fieldtrialer is offline  
Sponsored Links

  Diesel Forum - > Other Topics > Other Technical Questions
Gear in this thread - Powered by O'Reilly Auto Parts

Quick Reply

Register Now

In order to be able to post messages on the Diesel Forum - forums, you must first register.
Please enter your desired user name, your email address and other required details in the form below.

User Name:
Please enter a password for your user account. Note that passwords are case-sensitive.


Confirm Password:
Email Address
Please enter a valid email address for yourself.

Email Address:


Human Verification

In order to verify that you are a human and not a spam bot, please enter the answer into the following box below based on the instructions contained in the graphic.

Currently Active Users Viewing This Thread: 1 (0 members and 1 guests)
Thread Tools
Show Printable Version Show Printable Version
Email this Page Email this Page
Display Modes
Linear Mode Linear Mode

Posting Rules  
You may post new threads
You may post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are On
Pingbacks are On
Refbacks are On

For the best viewing experience please update your browser to Google Chrome