Is there a comprehensive chart that lists the "normal" range for the different water tests.

I am ready to start the cycling of my system. The system currently consists of two 4' x 8' grow beds in a flood and drain configuration (fu…

Started by Don Cole

System startup

Hi All, I'm trying to get my system through startup and I'm at a loss as to what is happening with the water chemisty.The overall water vo…

Started by Timothy P. Kelly

Assimilation of Nutrients

In an attempt to better understand nutrient assimilation I began searching the internet, and taking notes.  I think I have a pretty good fe…

Started by Bob Campbell

Hello AGC from eastern Oregon

Started by Wayne Condit