When should I start aggressive bloom feeding?

I am on day 21 of flowering (12/12). That doesn't include my transition week before flowering. But anyways i am on the "bloom" feeding schedule for my gh 3-2-1 nutes. I was wondering when I should switch over to the "aggressive bloom" schedule? and how much longer until I can look to harvest? thanks
 
and I dont have anything to check ppms, but i have been thinking about cutting back a little on what their feeding schedule calls for. any suggestions on that?
 

SlimDigital

Active Member
Well when i had no meters I used ts. I maxed out at 5 ts. After the first week of transition i would start them out on 2 and each rez change i would go up another until i got to 5. I am a GH user and my nutes were micro:bloom @ 1:1.
 
That is the schedule that I have been using but it does not show when you should start each cycle in terms of days or weeks. I dont use ppms, i just that schedule from gh.
 
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