Post #2775524
2026-05-14 04:53 UTC
@penguin86@social.ichibi.eu At the risk of teaching grandma...
You are aware that flux used in soldering, whether applied separately or as part of the solder medium is an acid? It's an essential part of the soldering process but should be removed after soldering. Any residual flux will slowly eat away at the joint especially around any imperfections.
I use IPA and a stiff brush to remove flux residue.
No clean fluxes are available but not usually at the DIY level.
Replies (1)
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@penguin86@social.ichibi.eu 2026-05-14 05:43
@bbeaker@toot.community good point! I use a lot of flux, and usually clean the residues with IPA, expecially when I solder to a PCB. I may have not done the same with these joints... but I didn't change anything in the way I work (even still using same solder and flux) and this didn't happen in the past. Maybe this cables are just too thin...