I just bought 16 lbs. of hydro fertilizer on ebay for $105. It Lasts forever. and, the price is only up 20% from 2 years. I use it on my outside plants. Mix with water and pour it on.

I need a 10' X 10' X 10' greenhouse with a spiral staircase and I'd be set. vertical farmer using hydroponics.

My Thai Hot Peppers kick some butt! Heirloom.

:-)