Personally I would be EXTREMELY gentle and see how the beans are looking in the soil.. If you can get them separated without harm I would try that. If not, I would just let them grow together and LST the shit out of them.
There are many small online businesses that do this.. It gives the appearance of customer support! I have personally done this myself, it's just a way to speak to them if they are online and a way to quickly E-mail them if they are not. Nothing shady..
It takes 1/2/3 weeks for cannabis to show sex. It's just a waiting game! If they are male there will be ball sacs, females will have WHITE hairs. Just wait a week or two.
Awesome thread! I am also looking for an exhaust for my 2x4. How do you run power to the bathroom exhaust fan? Does it have a plug or do you need to wire one on?