Uuummmmmm! Good question, and I do not know the answer. I suppose that both of these are the result of the Carbon in the oils/carbohydrates being "cooked out" and left as a deposit, so your idea may well have merit. Al --- Tony Wells <oaksfield@xxxxxxxxxxxxxxx> wrote: > A late thought on this, but assuming that boiler > crud is mostly baked on > carbon, how about one of thse "sooper dooper" spray > on oven cleaners that > are supposed to dissolve away baked on oven carbon? > What is the difference, > if any, between the two scenarios? > > Tony, "I will build a boiler someday", Wells. > > > ----- Original Message ----- > From: "Barrie Purslow" <bpduo@xxxxxxxxxxxxx> > To: "Model Engineering List" > <modeleng@xxxxxxxxxxxxx> > Sent: Sunday, September 18, 2005 8:08 PM > Subject: [modeleng] Re: Boiler blues > > > > Hi, > > > > Just a quick thanks to all of you who posted a > reply to my query on > > cleaning > > boiler tubes. I'm just off for a week, maybe I'll > try out a few ideas on > > the > > petticoat pipes (which were 50% blocked!) when I > get back or maybe I'll > > leave well alone! > > Thanks again. > > > > Barrie > > > > MODEL ENGINEERING DISCUSSION LIST. > > > > To UNSUBSCRIBE from this list, send a blank email > to, > > modeleng-request@xxxxxxxxxxxxx with the word > "unsubscribe" in the subject > > line. > > MODEL ENGINEERING DISCUSSION LIST. > > To UNSUBSCRIBE from this list, send a blank email > to, > modeleng-request@xxxxxxxxxxxxx with the word > "unsubscribe" in the subject line. > ______________________________________________________ Yahoo! for Good Donate to the Hurricane Katrina relief effort. http://store.yahoo.com/redcross-donate3/ MODEL ENGINEERING DISCUSSION LIST. To UNSUBSCRIBE from this list, send a blank email to, modeleng-request@xxxxxxxxxxxxx with the word "unsubscribe" in the subject line.