On Monday, January 29, 2018 at 9:06:31 AM UTC-5, George Herold wrote:   
   > On Monday, January 29, 2018 at 8:56:13 AM UTC-5, Phil Hobbs wrote:   
   > > On 01/27/2018 03:36 PM, Ian Field wrote:   
   > > >    
   > > >    
   > > >  wrote in message    
   > > > news:1c86a3ef-5b3d-400f-88b4-207556eb17e2@googlegroups.com...   
   > > >> On Sunday, January 7, 2018 at 1:21:58 PM UTC-5, Ian Field wrote:   
   > > >>> "Andy K"  wrote in message   
   > > >>> news:ec18876d-124e-41cd-8b33-bc56195ecfdc@googlegroups.com...   
   > > >>> > On Saturday, January 6, 2018 at 2:05:38 PM UTC-6, George Herold   
   wrote:   
   > > >>> >> On Saturday, January 6, 2018 at 12:37:47 AM UTC-5, Andy K wrote:   
   > > >>> >> > I having been using Oatey solder paste when soldering large    
   > > >>> diameter   
   > > >>> >> > wires.   
   > > >>> >> > I know it's designed for copper pipes.   
   > > >>> >> >   
   > > >>> >> >   
   > > >>> >> > Is there something better?   
   > > >>> >> >   
   > > >>> >> > Thanks,   
   > > >>> >> >           Andy   
   > > >>> >>   
   > > >>> >> Ughh, OK I did that when I was starting out, and promptly   
   > > >>> >> was 'talked to' by an older tech.  The problem with the acid   
   > > >>> >> pipe solder is you have to get it all off, with water or something,   
   > > >>> >> (just like when you do copper pipe plumbing.) otherwise it corrodes   
   > > >>> >> over time and your pcb/circuit turns into this ugly green thing.   
   > > >>> >>   
   > > >>> >> As Phil said get some rosin core solder/flux.  You can also buy   
   > > >>> >> rosin flux in a little jar. (snuff box size.)  I use that for   
   > > >>> >> tinning bigger wires.   
   > > >>> >>   
   > > >>> >> George H.   
   > > >>> >   
   > > >>> > Ok, that makes sense.   
   > > >>> >   
   > > >>> > I only used it on large gauge wires and never on circuit boards.   
   > > >>>   
   > > >>> Fluxite brand paste is less aggressive than plumber's flux, but its    
   > > >>> grease   
   > > >>> based and cant be washed off with water.   
   > > >>   
   > > >> Is there a type or brand that is water soluble?   
   > > >    
   > > > There was a water based liquid flux, all I can remember is the can was    
   > > > red and beige.   
   > > >    
   > > > Its more aggressive, but that might not matter when you can wash it off.   
   > > >    
   > > > AFAIK: all PCB fluxes have to be water soluble since ozone layer    
   > > > legislation banned the cleaning solvents - might be worth seeking out    
   > > > which one is strong enough.   
   > >    
   > > Umm, no.  Leaded processes with rosin flux and solvent clean are readily    
   > > available, at least over here.  I use them exclusively.   
   >    
   > Hey you should walk on the wild side sometimes.  Water based flux is fine    
   > for low impedance stuff. (~<1 Meg ohm).  It's fast and cleans up nicely.     
   >    
   > What do you use to clean off rosin?     
      
   Alcohol won't work?   
      
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