The Alaska fish fertilizer seems to be the simpler options, you have a fertilizer, and a bloom formula
The Earth Juice, have more options within their product line, though how much products do you plan on buying ?
AFF is simpler, EJ has more options if you think you need them
Earth juice, you have the catalist, microblast .. more ..
What strains are you growing ?
Some strains don't like strong nutes .. I would study the strains I'm about to grow, and then get the right nutrients for them