I use this for SMD soldering

MG Chemicals - 836LFNC-1L

https://www.amazon.com/dp/B01MYEE84K

I use this for pretty much everything else

MG Chemicals 8342 RA

https://www.amazon.com/dp/B01MS04SO4

This is my desoldering station

https://www.parts-express.com/Stahl-Tools-DSDS-Variable-Temperature-Digital-Solder-and-Desolder-Station-374-400