Welcome to the forum. Although you can post in any forum, the USA forum is here in case of local regs or laws

Install the app
How to install the app on iOS

Follow along with the video below to see how to install our site as a web app on your home screen.

Note: This feature may not be available in some browsers.

When people are saying they apply flux with the solder, I take it they mean they are dipping the solder in a bit of flux. They're still fluxing their pipe/fitting with a brush right!!?

Nope. Did at training centre but then went to work for a guy who applied his flux using the solder rod as a brush. Just dip it in and run it round. It's a bit of a trick but not that hard. Works for me.
 
i flux the pipe only with a very fine film, but sometimes the fitting as it depends on gravity ie, dont want the flux running inside the pipe as it will corrode then pin hole.

i still have the same 125gm pot of laco i bought 3 years ago & have only filled it 3 times, its gone a bit green though. it also makes me laugh at a mate of mine who uses a 450gm pot every 2 weeks but he does use it like spreading butter on toast.
 
I gave an industrial size pot of La-Co away. I really wish I could understand why everyone loves it. I know Ever Flux is a bit evil and irritates your skin, but by heck does it work well.
 
I gave an industrial size pot of La-Co away. I really wish I could understand why everyone loves it. I know Ever Flux is a bit evil and irritates your skin, but by heck does it work well.
I never have used Everflux - except to test it. I heard years ago, when it started to become prevalent, that it can be very corrosive to copper & solder & also heard it was banned on certain jobs. The Yorkshire Traditional flux is fairly harmless on copper, etc, & well proven - just a pity you have to clean fittings. The Fernox equivalent has a good name, but is different. Hard to buy over the counter nowadays.
 
Last edited:
I always use a thin smear of everflux on the pipe, never the fitting. If you put it in the fitting as you push the pipe in the excess is forced into the pipe and can cause corrosion or encourage the solder to flow into the pipe restricting it or forming those little balls of solder that you often hear jingling in the pipe. I also saw someone pulled up during his core gas safety assessment for fluxing a fitting.

I know everflux is corrosive but if you apply a thin smear to the pipe, twist it into the fitting, wipe any excess of before you solder and wipe off with a damp rag after you solder you don't get any problems.
 
i flux pipe only. my mate fluxes fittings only using everflux he dips solder in rubs it around inside of fitting as mentioned above. i just don't trust that method as when watching him the amount of flux seems too minimal and unevenly spread round fitting.

i use fernox, but am thinking of swapping next time as it ain't what it used to be. the amber stuff was great but now its white and there is defo a difference. tried laco and everflux but i'm not a fan as these cream type based fluxes just don't run as well as the grease based ones
 
  • Like
Reactions: 1 person
i

i use fernox, but am thinking of swapping next time as it ain't what it used to be. the amber stuff was great but now its white and there is defo a difference. tried laco and everflux but i'm not a fan as these cream type based fluxes just don't run as well as the grease based ones
I agree, the grease based is tops & it won't do much harm to copper. Try the Yorkshire Traditional flux, - rolls royce flux i think. It is the same stuff as it always has been & is better than the Fernox flux.
 
some times i dont put flux and wonder why the solder does not go round 🙁 🙂 ,ha ha

as long as it does not leak to me there is not wrong way of doing it ,

JUST DONT PUT FLUX AND TRY SOLDER YOUR SPEEDFIT FITTINGS WITH COPPER PIPE 🙂 lol
 
I agree, the grease based is tops & it won't do much harm to copper. Try the Yorkshire Traditional flux, - rolls royce flux i think. It is the same stuff as it always has been & is better than the Fernox flux.

i use anything that i can get my hands on a good deal. last summer i got 5x500g
 
That's 7 years bad luck! :cry_smile: Very handy for checking if fittings are neatly soldered, but you can become obsessive very easily!

i heat from one side and load the solder from the back then you know when the solder appears at the front you have a good joint, loads of people load the solder on at the front and pile it high "to make sure there is enough at the back"
 
  • Like
Reactions: 2 people
Nope. Did at training centre but then went to work for a guy who applied his flux using the solder rod as a brush. Just dip it in and run it round. It's a bit of a trick but not that hard. Works for me.

if you dont flux the pipe insertion you are not doing a proper joint, using flux on the edge only could lead to a joint leaking, one of these joints that leak after many yrs when you look at it the wrong way
 
I thought that new fitting had a lacquer on them to prevent them oxidising? So you only needed to flux the pipe. I always give the inside of fittings a quick wipe with steel wool and the same to the pipe end, but only flux the pipe (for same reasons as others, in that I believe it prevents flux getting into the pipe). For old fitting and pipe, I do the same, but more aggressive with wool first.

Worse still, I caught one of the youngens fluxing a screw to ease the fixing of a shower screen!
 

Official Sponsors of Plumbers Talk

Similar plumbing topics

We recommend City Plumbing Supplies, BES, and Plumbing Superstore for all plumbing supplies.