upgrading to 3 gallon pots right now. Elevated the top of the cabinet to increase vertical grow space. New soil contains composted I shovel full of horse poop and two shovel fulls of rabbit poop, Free. 1 cu.ft bag of pro mix $5.99. 1 16qt bad Jiffy seedling starter mix $10.99 . 1 shovel full of wood ashes. 5 cups perlite, 3 cups vermiculite, 3 cups of bio-tone starter plus 4-3-3 containing: Mycorrhizae & Beneficial bacteria, also containing: feather meal, dehydrated manure, bone meal, alfalfa meal, greensand, humates, crab meal, cocoa meal, and sulfate of potash magnesia. And That is whats in my soil. along with 3 gallons of native soil and the MGOC I had to compost due to excessive fresh wood chips.