potting soil for pots and garden soil for outdoor, but the mg organic does work fine better then the normal mg.

as for fox farms ocean forest it works great for a month then you need to go buy the fox farms nutes or fuck up a few plants trying to figure out to make another companies ferts copmliment it. (different micro apps and all).

i dont recoomend garden soil for container plants but it wrks when its all i have but i keep a bag perlite just i case.