eureka Posted September 29, 2016 Share Posted September 29, 2016 1 part molasses (get from farmlands) to 10 parts water. surface rust gone in a few days very very pitted rust in couple of weeks. gets into A pillars, panel gaps etc where sand blasting can't. it really does work I put my Austin 8 van body into a 4000L swimming pool of it. ate all the rust away so now I can weld patches to the solid steel. Lasts for approx 6 months and at the end all you are left with is sugary water (with a little iron) don't have to get swimming pool ($159 from warehouse if you do) small parts easily cleaned up with just a bucket of it 9 Quote Link to comment Share on other sites More sharing options...
cletus Posted September 29, 2016 Share Posted September 29, 2016 Does it get smelly? was talking to a guy about this a few weeks ago, the part he showed me was pretty impressive how it had got rid of the rust 1 Quote Link to comment Share on other sites More sharing options...
igor Posted September 29, 2016 Share Posted September 29, 2016 Does this attract enormous numbers of bees etc looking for a free feed? I ask because my wife has bee hives and I'm not keen on having the little fuckers invade my workshop area. 2 Quote Link to comment Share on other sites More sharing options...
bathcollector Posted September 29, 2016 Share Posted September 29, 2016 My tub gets a bit of a whiff to it now and then but when it works as well as it does it doesn't matter much. The Molasses will pit machined surfaces though. I have a Model A firewall soaking at the moment. Igor, no bee problem that I have noticed. 3 Quote Link to comment Share on other sites More sharing options...
Spencer Posted September 30, 2016 Share Posted September 30, 2016 It just has some mild acid in it form bacteria eating the sugar right? Citric acid is cheaper and cleaner? Good work though, acid washing rusty parts is the go for home DIY. Quote Link to comment Share on other sites More sharing options...
kws Posted September 30, 2016 Share Posted September 30, 2016 Can the general public buy concentrated hydrochloric acid? that shit is boss for stripping rust, used it when i was an electroplater. Quote Link to comment Share on other sites More sharing options...
RUNAMUCK Posted September 30, 2016 Share Posted September 30, 2016 Does it leave any residue that might prevent paint systems from adhering? 1 Quote Link to comment Share on other sites More sharing options...
bathcollector Posted October 1, 2016 Share Posted October 1, 2016 Wash the Molasses off with water and a stiff scrubbing brush. I have gone over with a wirebrush after that and the steel shines like it's 1928 again. 2 Quote Link to comment Share on other sites More sharing options...
Nominal Posted October 1, 2016 Share Posted October 1, 2016 Can the general public buy concentrated hydrochloric acid? that shit is boss for stripping rust, used it when i was an electroplater. You can buy Muriatic Acid (another name for hydrochloric) at hardware stores - used for concrete cleaning. I have that I use for getting rust or zinc plating off steel. It's nasty though, need gloves and goggles, and don't store it in your garage. Quote Link to comment Share on other sites More sharing options...
RUNAMUCK Posted October 1, 2016 Share Posted October 1, 2016 Why not? I have the leftover stuff from my garage floor operation in my garage still. Quote Link to comment Share on other sites More sharing options...
Nominal Posted October 1, 2016 Share Posted October 1, 2016 Why not? I have the leftover stuff from my garage floor operation in my garage still. I've been told it can cause rusting of nearby steel due to vapour escaping the container. I keep it in a garden shed, on a metal shelf though. Don't use it inside either - nasty fumes. http://www.jalopyjournal.com/forum/threads/a-downside-to-muriatic-acid.813794/ Quote Link to comment Share on other sites More sharing options...
kws Posted October 3, 2016 Share Posted October 3, 2016 Also, DO NOT sniff the fumes, itll make you insta-barf. Lol. Colleague found out the hard way. Quote Link to comment Share on other sites More sharing options...
Ghostchips Posted October 3, 2016 Share Posted October 3, 2016 Used to use hydrochloric acid at the radiator shop. Watch your tools rust and shrink before your eyes. Hence i'm keen to see molasses. Quote Link to comment Share on other sites More sharing options...
dabuzz Posted October 4, 2016 Share Posted October 4, 2016 it really does work I put my Austin 8 van body into a 4000L swimming pool of it. That is epic!!! 2 Quote Link to comment Share on other sites More sharing options...
eureka Posted October 11, 2016 Author Share Posted October 11, 2016 2 Quote Link to comment Share on other sites More sharing options...
eureka Posted October 11, 2016 Author Share Posted October 11, 2016 5 Quote Link to comment Share on other sites More sharing options...
Lord Gruntfuttock Posted October 11, 2016 Share Posted October 11, 2016 That is tremendous. It's like a low budget, sticky version of the Rolls in a swimming pool rock legend... Quote Link to comment Share on other sites More sharing options...
bathcollector Posted October 22, 2016 Share Posted October 22, 2016 Here's another comparison. Reasonably heavy rusting. See dates on pics for time in tub.A brush off with a scrubbing brush, then a quick wiz over with a ss wire brush (hand) 2 Quote Link to comment Share on other sites More sharing options...
flyingbrick Posted October 22, 2016 Share Posted October 22, 2016 Have you tried electrolysis? Youd strip that bracket in a night. 1 Quote Link to comment Share on other sites More sharing options...
bathcollector Posted October 22, 2016 Share Posted October 22, 2016 Nah, haven't given that a try. Molasses works good for me, no hurry and no fluffing round. Dunk whatever in, pull it out and scrub, redunk and usually done. Would be interesting to watch the process though. Quote Link to comment Share on other sites More sharing options...
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