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I keep hearing that 3 weeks prior to harvest you should stop feeding your plants N. I'm using GH 3-part system and I was told that in the last 3 weeks completely cut out the Grow and only use Micro and Bloom. However, looking at the bottles, it appears that there is more N in the Micro then there is in the Grow.
I'm obviously missing something. Can anyone clarify?
Thanks for the response Latewood. Really appreciate it!
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Nice question. You are right. 3 weeks prior to harvest you don't really need micro either.
All that is stored in the plant at this plant and the whole idea of cutting nitrogen at the end of flower, is to allow the plant to use stored nutrients up, thus improving the taste.
Keep in mind that the last 2 weeks is no nutrients/flushtime; Anyway.
Most people take for granted that Grow is all of the nitrogen. you are right.