im using the fox farm grow big, big bloom, and tiger bloom. right now im giving her 2 teaspoons of grow big and one teaspoon each for the other two all in two gallons mixed together. when do i change ratios of nutes? when flowering only? or before? please take a look, the link below is my journal/help question board. thanks GC!!!! http://forum.grasscity.com/hydroponic-growing/717227-what-nutrients-use-diy-bubble-bucket-3.html