Bass Chord Chart and Tabs in Drop C standard Tuning

Fam2, Famadd2, Famadd9
Notes: Fa, La♭, Do, Sol
5,0,0,3 (2..1)
5,1,0,2 (31.2)
5,0,8,7 (1.32)
5,5,7,3 (2341)