how do i make my own root juice/rapid start?

hey dudes. i've got seedlings that have its first set of leaves and ive used root juice before. i cant find my bank card so how do i make my own root juice? i've got blood meal(12-0-0), hi brix(0-0-3), and bat do do(0-10-0). its all by the gallon. how far do i have to delude my water solution for this to work? thank for any help.