Im a little confused by your question but I recommend filling your nutrient tank with water, then calculate how much of each nutrient you want to use, and add them one at a time to your water... You can add the Canna nutrient line in any order you want but if you are using anything with a lot of calcium (like cal/mag) then that should be added first (Calcium can destroy and lock out other nutrients when added last)... After adding any products high in calcium, then I like to add the Rhizotonic next due to its high pH which can cause the nutrient solution to precipitate and become unavailable to the roots.
Add the nutes slowly, one at a time, and stir along the way for best results...After mixing, adjust the pH and let them sit for a couple of hours (or least 20 minutes if at all possible). Check and re-adjust pH if needed and your good to go.