smedly Posted January 3, 2011 Share Posted January 3, 2011 (edited) Looking to buy a Large quantity of white vinegar, seems it can be used for removing rust from inside a petrol tank, much safer than hydrochloric acid anyone know where I can get big bottles of the stuff and how much in thailand thx in advance Edited January 3, 2011 by smedly Link to comment Share on other sites More sharing options...
PoorSucker Posted January 3, 2011 Share Posted January 3, 2011 Makro. Link to comment Share on other sites More sharing options...
Basil B Posted January 3, 2011 Share Posted January 3, 2011 Rust in petrol tank? are they watering down petrol now? Link to comment Share on other sites More sharing options...
transam Posted January 3, 2011 Share Posted January 3, 2011 (edited) If there is rust you will never get rid of it. In the UK there was stuff that you put in the tank and shake it around but tank must be removed first from the motor. PS. Thought we were talking pickled onions. Edited January 3, 2011 by transam Link to comment Share on other sites More sharing options...
smedly Posted January 3, 2011 Author Share Posted January 3, 2011 If there is rust you will never get rid of it. In the UK there was stuff that you put in the tank and shake it around but tank must be removed first from the motor. PS. Thought we were talking pickled onions. I certaintly will get rid of it and the reason it's there is because I left the tank for a long period with gasohaul in there, it attracts moisture I can also add salt to the vinegar which makes it a bit more potent, once done then baking soda to neutralise the acid and a good flushing with water then dry quickly, add meths to the next petrol fill which binds with any water left in there and that should do it Link to comment Share on other sites More sharing options...
transam Posted January 3, 2011 Share Posted January 3, 2011 If there is rust you will never get rid of it. In the UK there was stuff that you put in the tank and shake it around but tank must be removed first from the motor. PS. Thought we were talking pickled onions. I certaintly will get rid of it and the reason it's there is because I left the tank for a long period with gasohaul in there, it attracts moisture I can also add salt to the vinegar which makes it a bit more potent, once done then baking soda to neutralise the acid and a good flushing with water then dry quickly, add meths to the next petrol fill which binds with any water left in there and that should do it Cool, good luck. Link to comment Share on other sites More sharing options...
welsh1 Posted January 3, 2011 Share Posted January 3, 2011 If there is rust you will never get rid of it. In the UK there was stuff that you put in the tank and shake it around but tank must be removed first from the motor. PS. Thought we were talking pickled onions. Talking about pickle onions mine are all ready now Link to comment Share on other sites More sharing options...
phaethon Posted January 3, 2011 Share Posted January 3, 2011 Most supermarkets carry 1, 2 and 5l bottles of 'artificial vinegar' which is industrually produced (as opposed to fermented/malted) dilute acetic acid. That's what I buy for light descaling use. Link to comment Share on other sites More sharing options...
transam Posted January 3, 2011 Share Posted January 3, 2011 If there is rust you will never get rid of it. In the UK there was stuff that you put in the tank and shake it around but tank must be removed first from the motor. PS. Thought we were talking pickled onions. Talking about pickle onions mine are all ready now Lucky sod. Mine are so hot and not to good that l can't eat them but l will try again. The mrs will eat em though. Link to comment Share on other sites More sharing options...
welsh1 Posted January 3, 2011 Share Posted January 3, 2011 If there is rust you will never get rid of it. In the UK there was stuff that you put in the tank and shake it around but tank must be removed first from the motor. PS. Thought we were talking pickled onions. Talking about pickle onions mine are all ready now Lucky sod. Mine are so hot and not to good that l can't eat them but l will try again. The mrs will eat em though. Same here TS....put some chillis in some of the jars added a bit of colour and made it all look rather professional and look nice but way to hotttttttt to eat..but the mrs father wants to try them so will give him a few jars Link to comment Share on other sites More sharing options...
smedly Posted January 3, 2011 Author Share Posted January 3, 2011 Most supermarkets carry 1, 2 and 5l bottles of 'artificial vinegar' which is industrually produced (as opposed to fermented/malted) dilute acetic acid. That's what I buy for light descaling use. any idea on cost, will prob need about 15ltr it's a big tank, leave for a day then upside down cheers Link to comment Share on other sites More sharing options...
phaethon Posted January 3, 2011 Share Posted January 3, 2011 Not expensive. I'm due a Carrefour run on Thursday and will check what they have and percentage (I think it's 5%). Link to comment Share on other sites More sharing options...
smedly Posted January 3, 2011 Author Share Posted January 3, 2011 are you people hijacking this thread out of badness or just plain ignorance Link to comment Share on other sites More sharing options...
Rimmer Posted January 3, 2011 Share Posted January 3, 2011 Off topic posts removed from view Link to comment Share on other sites More sharing options...
msg362 Posted January 4, 2011 Share Posted January 4, 2011 It's essentially 5% acetic acid, have you tried a pharmacy? Link to comment Share on other sites More sharing options...
Guderian Posted January 4, 2011 Share Posted January 4, 2011 any idea on cost, will prob need about 15ltr it's a big tank, leave for a day then upside down cheers It's very cheap. I buy Tesco's own-brand distilled white vinegar in 500 cl bottles for pickling and making relish. I think a bottle costs around 9 Baht. Presumably when buying an industrial quantity you would get it even cheaper. Link to comment Share on other sites More sharing options...
smedly Posted January 4, 2011 Author Share Posted January 4, 2011 any idea on cost, will prob need about 15ltr it's a big tank, leave for a day then upside down cheers It's very cheap. I buy Tesco's own-brand distilled white vinegar in 500 cl bottles for pickling and making relish. I think a bottle costs around 9 Baht. Presumably when buying an industrial quantity you would get it even cheaper. thanks I checked makro today and they have a large stock 65b for 5ltr, strongest was 6% a little weak for what I want but will have to do Link to comment Share on other sites More sharing options...
phaethon Posted January 4, 2011 Share Posted January 4, 2011 If you need stronger than that then it's a case of asking around local garages/auto suppliers for conc. battery acid (sulphuric) or plumbers suppliers for descaling acid (hydrochloric) Link to comment Share on other sites More sharing options...
LennyW Posted January 4, 2011 Share Posted January 4, 2011 I last bought 36% Hydrochloric acid from Home & Pool on third road, 250 Baht for a 20 L drum, that was a couple of years ago so dont know the price now? Any of the pool shops should have it. Link to comment Share on other sites More sharing options...
smedly Posted January 5, 2011 Author Share Posted January 5, 2011 I assume I can buy Isopropanol from a general hardware store Link to comment Share on other sites More sharing options...
phaethon Posted January 5, 2011 Share Posted January 5, 2011 I assume I can buy Isopropanol from a general hardware store How much do you need? I usually get mine (for topical use) in 500ml bottles (70%) at any pharmacy. Link to comment Share on other sites More sharing options...
skybluestu Posted January 5, 2011 Share Posted January 5, 2011 White vinegar is amazing stuff, it can be used for many things that most people don't know about http://www.vinegartips.com/Scripts/ But because it's registered with the likes of the FDA (Food & Drug posse) it can't be registered as a cleaning product yet it's actually used more for cleaning than it is for cooking these days. Link to comment Share on other sites More sharing options...
msg362 Posted January 5, 2011 Share Posted January 5, 2011 If you need stronger than that then it's a case of asking around local garages/auto suppliers for conc. battery acid (sulphuric) or plumbers suppliers for descaling acid (hydrochloric) If you look at the toilet cleaners you will see that they are either HCl ( strong) or citric Acid ( weak) Neither are acetic acid. Don't go for sulphuric acid, it's lethal! not quite sure what the isopropanol is doing??? it's simply an alcohol and won't descale Link to comment Share on other sites More sharing options...
smedly Posted January 5, 2011 Author Share Posted January 5, 2011 (edited) the isopropanol is just part of the process, it absorbs water that is all I want it for, once I have cleaned and flushed out my petrol tank with water after the vinegar has done it;s stuff I will then wash the tank out with petrol and isopropanol then finally fill the tank with petrol and add a little isopropanol in case I missed some water left in there petrol and water don't mix...............petrol isopropanol and water do and I need about 1ltr Edited January 5, 2011 by smedly Link to comment Share on other sites More sharing options...
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