I agree. When it starts growing new leves, whenever that might be, yo can water a LOT, with the potting mix you used. Every other day. BUT the leaves must be growing actively.
I have a grafted supposed-to-be socotranum, but I am beginning to believe it's an omani. Hey, Jim! There are maybe fourteen different kinds of Adeniums.
Really nice plant, there, Adam. I bet you smile every time you see --- him? her?