I give mine Straight water for the last 2 weeks of its life..
Its a Good Idea to get yourself a Microscope with a 30X magnifyer so you Can Keep an eye On the Final Trichome develpoment(you can find em for aroun $20 in your local Electronics store..
and Get some Good Large Glass Jars for curing prefferebly the Rubber sealed Clip lock spagetti Jars are good.

Do you Plan on outdoors or indoors..?.

Mine are outdoors so I mostly use Liquid Worm castings and Nitro Pills.
sometimes I'll throw some Slow release furteliser Pellets around the Base of the PLants also...