I have yet to test the little pump for desoldering. I only applied solder to existing points to enable mapping to L3 and R3. You can find anything for cheap on Amazon though. Almost everything on there is from China.

Soldering Iron Kit Electronics, Soldering Iron 60W Adjustable Temperature, Solder Wire, Wire Stripper, Desoldering Pump, Tweezers, Solder Tips, Mini Stand, Screwdrivers, Heatshrink Tubes from Plusivo https://www.amazon.com/dp/B07XKZVG8Z/ref=cm_sw_r_apan_glt_fabc_9BYA0F2F15ZNN4K64D0G?_encoding=UTF8&psc=1