is this thing good for my plants?

i went to my friends houes today and grab loads of plant gear. his mom has a garden.(not cannabis) and i got me this
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idk if its good or bad for my plant. has anyone used this?

Do NOT use time release fertilizer's for weed!!!! Don't use miracle grow!! use loose packing soil (drain's well) and fox farm or hydroponic fertilizer's at 1/2 strength! Hope this help's my brother! jack

That works fine. 1-2 tablespoons per gal of medium. Osmocote Plus is even better. It also contain 12 other elements beside NPK...

that shit sux mite as well use mircale grow but if on a budget just send some emails to nute places they will send you some samples enuff to get you through a small grow