Quote Originally Posted by hugetom80s
Hydroton is pretty easy to identify if you've seen it before. It's a reddish brown on the outside, black on the inside (not hard to crack one open if you want to) and is really light for its size. It's like the rock version of popcorn.

I'm intrigued by this notion of SOG nutrients, though.

I'm not sure exactly how specialized the nutrient requirements would be in SOG but there are a few things that would benefit that style of growing more than others. I use Advanced Nutrients since it seems the most versatile to me, I wonder if I could tweak my mix somehow.
i think this one is a little bit dead. the previous post before yours is over 10 months old.

-shake