I just bought some fox farms big bloom formula. I plan on using it for my container plants as well as my outdoor plants. Question is I've been reading around and I'm seeing that Big Bloom by its self is not that good, that it shoulld be mixed with tiger bloom or something. Is this true? does anyone use Big bloom only for container or outdoor? Also I noticed that the potash is higher than the phosphate!? whats up with that? Thanks for any advise guys