It' called basement by royal gold.
I managed to get the ingredients from a local hydro shop.what do you guys think? suitable for 5 gal containers ? for outside ?
http://royalgoldcoco.com/basement-mix
Basement mix ingredients: coco fiber, coco chips, lava rock, earthworm castings, (rice hulls, straw, manure, grape pomace, and cocoa hulls) composted chicken manure, fish bone meal, bat and seabird guano, kelp meal, silica, alfalfa meal, humic acid derived from leonardite.