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My old boss called me out for using flux wrong and it stung
I was reworking a board from a 2017 Samsung TV, the PSU had some cold joints. My old boss from 5 years back stopped by my bench and watched me for a sec. He pointed out I was using way too much rosin flux, said it can cause corrosion over time if you don't clean it off proper. He showed me his method with a tiny syringe applicator, barely a bead. Has anyone else had to change their flux game after years of doing it one way?
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jenny471mo ago
Man, that's rough but honestly good on him for caring enough to say something. I've been there where you think you know what you're doing and someone calls you out, it stings but you gotta respect the knowledge. I used to go heavy on the flux too till a repair guy told me the same thing about corrosion, now I use just a tiny dot with a toothpick, works way better and no mess.
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robin5911mo ago
Last flux tube I bought cost $8 and has lasted me 3 years with the toothpick method, so it's hard to argue with that logic. But honestly, unless you're doing super delicate SMD work, a little extra flux just burns off clean in my experience. Feels like one of those things where people act like it's life or death but really it's just a preference.
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