Question About Nutrients

[FalseFlash]

So, next month I plan on buying more nutrients for my plants. Right now they are in the mild growth stage. Do you think I can mix all of these in my 55 gallon drum? I actually do the calculations for 40 gallons of water to be safe.

(Mild Growth Stage)
13oz of FloraGo
6oz of FloraMicro
6oz of Florabloom
1oz of Floralicious Plus
13oz of FloraBlend

And when it comes to transition stage.

13oz of FloraGo
13oz of FloraMicro
13oz of FloraBloom
1oz of Floralicious Plus
13oz of FloraBlend
3oz of Liquid KoolBloom

I'm using the GH calculator app on the iPhone. All I buy is their brand, so I assume it would be ok to do since it's made for their mix?