Sodium carbonate http://shop.ebay.com/?_from=R40&_trksid=m38&_nkw=washing+soda
Also good to have around the house for that nasty ring-around-the-collar. -Dave Walton On Fri, Aug 8, 2008 at 12:29 PM, harry watkins <[EMAIL PROTECTED]> wrote: > Jim, when you say you got washing soda, just what is it? Is it Tide? > > Thanks > Harry > > ----- Original Message ----- > From: "Jim Cathey" <[EMAIL PROTECTED]> > To: "Mercedes Discussion List" <mercedes@okiebenz.com> > Sent: Thursday, August 07, 2008 9:29 PM > Subject: Re: [MBZ] how to know when rust is terminal... > > >>> Nailed up a crate that will hold the tank >>> with a few inches of clear space all the way around. >>> By my calculations the box will hold about 80 gallons of water. >> >> Don't forget to subtract the volume of the fuel tank! >> >>> I bought a 1 lb bottle of lye (NaOH). >> >> Maybe 1/4 cup will do. Even when I filled my son's wading >> pool to do the Hercules engine head, I doubt I put in more >> than a handful or two. It doesn't really take that much. >> >>> The site referenced said to use about a 2% solution but that would be >>> about a dozen bottles of lye -- that just seems like a lot. >> >> Way too much! I got washing soda (a kinder, gentler electrolyte), >> but I suspect any salt or acid would also work. Problem with acid >> is it'll react with the metal, whereas the soda (and lye) won't. >> Salt is tricky, anything wet but not actively in the circuit >> could start to corrode. I got the washing soda at the grocery >> store. >> >> Don't forget that your tank will want to start to float unless >> you sink it. If you cork its bottom fitting(s) you can fill >> it with plain water instead of solution. >> >> And it's REALLY REALLY important to remember that the sacrificial >> ANODE goes to the positive supply lead. >> >> -- Jim >> >> >> _______________________________________ >> http://www.okiebenz.com >> For new parts see official list sponsor: http://www.buymbparts.com/ >> For used parts email [EMAIL PROTECTED] >> >> To Unsubscribe or change delivery options go to: >> http://okiebenz.com/mailman/listinfo/mercedes_okiebenz.com > > _______________________________________ > http://www.okiebenz.com > For new parts see official list sponsor: http://www.buymbparts.com/ > For used parts email [EMAIL PROTECTED] > > To Unsubscribe or change delivery options go to: > http://okiebenz.com/mailman/listinfo/mercedes_okiebenz.com > _______________________________________ http://www.okiebenz.com For new parts see official list sponsor: http://www.buymbparts.com/ For used parts email [EMAIL PROTECTED] To Unsubscribe or change delivery options go to: http://okiebenz.com/mailman/listinfo/mercedes_okiebenz.com
