Are these fertilizers good to go?

knoxda

Member
Hey, guys, I need help picking the right fertilizers, and I have found these. I just need for someone to say whether or not they would do me any good. How much, and how often should i feed my greenhouse autos with this stuff, if it's OK to use.
Thanks, in advance :).
P.S. I don't live anywhere near, where they sell name-brand stuff and my budget is really tight, so importing is also a no-go.
 

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