Word up not trying to point fingers or anything, I actually think led/hps combo is probably the best kind of spectrum you can give ur plants (I kno I did it! Check my sig) but regardless this competion should be strictly led, we all know hps can produce high yield/frosty plants, nothing new, this is a completion for the viewers to have a better understanding on led grown herb
But anyhow, I can't wait to get this going, I'm a little scared on me running into ph problems, I'm sure a party cup grow is really difficult to pull off, I've never done it, I kno I seen some journals of some growers doing such a amazing job in party cups, I need to start doing my homework on this one, because in reality, I think this competion will go down to who knows how to properly feed and have the plant healthy enough to live in a PARTY CUP