As others have said I don't see it being a problem, just plan it all out really well. If possible run a line to a drain, and think about how to run lines from new water containers. It's quite a bit more planning work, but then the actual amount of physical work is very low particularly if you buy some larger discus to start with. My tank is documented in my build thread, been chugging along now for few years now and I do 0 daily work at this point. It's all done automatically.
http://forum.simplydiscus.com/showth...-discus/page33