I have been using the bioflora organic crumbles in both containers and raised beds. Purchased them from Ag RX in Somis (good price compared to buying at the standard retail stores). My tomatoes in 15 gallon containers have done fine with it. I have not tried/compared with non-orgainc ferts though as I am trying to stay organic. I believe it is a 6-6-5 fert with 8% Ca. I do usually add some home made compost to all my containers too.
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