Hoping you were able to go so research and reading. MY adenium mix is cheerystone and floor dry ... occassionaly, the smallest touch of wood bark ... look up al's gritty mix on the container gardening forum ...

Watering shouldn't be done on a timed schedule, more on an ‘if it needs it’ regime. It also depends if the plant is indoors or outdoors, in full sun or shade, your climate, the humidity, plastc or terracotta pot, growing medium, if its in actvè growth and the season etc etc.