atm im using micrical grow once every 2 weeks n i spray em with it every 5 days but what i really love to use is kool bloom "flower" and monsta bud as a meduim i used it ever day i had it cost me $80 for em all up.my babys are now about 7-8 weeks into flower ive got them in the ground this is the first grow where i havent used pots and it makes a huge diffrence ive got plants that are bigger than me now irekn il be harvsting in about 6 weeks cant wait will get a minium of 2 OZ per plant