nutrients

hello everyone im just looking for some good info rite iv got a few options where i live and what i can get i got a choice between

Advanced nutrient
B'cuzz
canadianxpress
canna
growth tech
hesi
vitalink
and dutch master

im useing canna at the moment and iv read alot about other nutrients and was wanting to change and see what yeilds i could get of different nutes any comments and feed back wanted