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Reddit mentions of 2 Needle Tip Bottle Liquid Flux Dispenser Oil Solvent Applicator Dropper 0.7 Oz
Sentiment score: 3
Reddit mentions: 4
We found 4 Reddit mentions of 2 Needle Tip Bottle Liquid Flux Dispenser Oil Solvent Applicator Dropper 0.7 Oz. Here are the top ones.
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First of all, what type of flux is in the pen?
If the flux is rosin flux, then yes, you should use rosin core solder. If the flux is no-clean, then you should use no-clean solder. You don't HAVE to do this, but generally rosin flux is better than no-clean, and if you are using the two together you are pretty much losing the no-clean ability of the no-clean, so why not just use rosin?
I would highly recommend buying a bottle of this:
125 mL MG Chemicals 835 Rosin Flux
And getting an applicator such as this:
needle tip flux applicator
You can find those applicators all over the place. You could also use refillable brushes or pens if you prefer. (I really like these small needle tip applicators, quite precise)
The flux will last you quite a long time, so it's a good investment. Next I would recommend getting some good quality solder from a known brand. I like to use MG Chemicals because it is easily available where I am. I buy RA or RMA (Rosin Activated or Rosin Mildly Activated) 60/40 or 63/37 solder. Note that it has a slightly higher flux percentage, 2.2% which I recommend as well (more flux is almost always better).
The RA solder combined with the RA flux works like a charm. It makes soldering (and de-soldering) so easy you will always want to use flux, seriously. The only complication is that you may want to clean your boards afterwards, if you want them to last a really long time. IPA or some flux cleaner works well.
I forgot to mention solder thickness. Generally the thicker the solder the less likely you will need extra flux. I find with 0.032" solder with moderate sized pads (5+ mms?) extra flux is good. With smaller pads you probably won't need extra flux. With bigger solder you probably won't need extra flux. That's why it's good to just have the flux in case you find your solder just doesn't cut it.
You certainly can, but it's not necessary. You may discover an interesting flavor combination in the transition. :)
(Avoid transitioning from cookie dough to guava. Hard lesson learned.)
If you do clean your tank, plain water (or distilled if your water is particularly hard) works fine. I like to use a needle-tip bottle to pressure wash my tank.
You can mitigate a lot of problems with a drop liquid flux from a needle tip bottle. A better iron will help too.
how about needle tip bottles?