>>2921523It does, you have to clean it out every now and then.
I use solder wick, too, but I usually get the bulk of the solder with the solder sucker.
Of course, usually I don’t use anything to remove a component if I don’t have to…
I use a bar tip, or wiggle the component off or out. Then I use a stainless steel dental pick to poke a hole back in while the solder is still molten (if need be) Saves time, solder, wick, cleaning, etc.
Some people think solder is magical and you can’t mix old/new, but you certainly can. In fact, more older is more better. There is lots of alloys out there which, themselves are random mixes of stuff….
Especially if you use chinese solder which probably includes lead from decommissioned nuclear plants.