I suggest whatever works. What you seem to be doing is working. Keep it up. Just remember, as they grow, you'll have to add more. It's a learning process and it seems like you're getting the hang of it quite well.
Just remember this advice. Krondizzel would rather fix a deficiency than a nutrient burn any day. Just don't overkill it and you'll do great.
The plants will speak to you, but you have to listen with your eyes! Just remember those two things. You'll do great after that.