Has anyone else stumbled on this site? The depth of the info here has just about floored me. For just an example, he has full tutorials on mixing your own hydroponic nutrients and complicated supplements. How to reverse engineer your favorite supplements and copy them for pennies on the dollar being sure of the purity. There's more info here then most people can consume in quite some time. It's very scientific and a pleasure to read. I would copy and paste you an article but I can't. This is only one section. Highlight the grow info tab at the top or one of the others. A sample of good topics. Hydroponic Nutrient Science | Hydroponics The real advantage of formulating yourself | Hydroponics How hard is it to mix hydroponic nutrients at home? | Hydroponics Hydro Store vs DIY Cost Comparison | Hydroponics Reverse Engineering a Hydroponic Nutrient from the Guaranteed Analysis | Hydroponics A weekend reading here would replace years of growing and learning by trial and error.