That's possibly where I slipped up - didn't clean inside as it was a new elbow but I did apply flux internally. I think the joints are good (gave them a good old tap to test!) but do you think I am taking too much of a risk leaving it as it is?
Then dont do that next time flux ONLY goes on the pipe never inside any fitting, putting flux inside a fitting , when the pipe is inserted it will push the flux into the waterway
I can hear the groans when I say that the reason I added flux into the fitting was because I followed the advice that I had seen on YouTube!! Anyway, point taken and I won't be doing that again - this is one of my efforts from today - am getting better I think.
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