Interesting....I use LK too but have not tried it as foliar spray....what is the advantage of that do you think vs using in the res or soil?

I use botanicare myself and like it. Also organic which is nice but not my main reason for using.....my main reason is because it is a one-part nute that I don't have to mix etc....the simpler the better for me.

BRG you can order things from hydro stores over the net....amazon.com has a very large selection of cool things to buy and play with among others.