Yeh, so how should I go about flushing my plants to get rid of most of the nutes?

Let some water sit out overnight, then let it run through the soil?

whatever your pot size is I'd flush with three time that amount and around two weeks before harvest.

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"Years ago, my mother used to say to me, In this world, Elwood, you must be oh, so smart or oh, so pleasant.' Well, for years I was smart. I recommend pleasant. And you can quote me." Elwood P Dowd.

awesome thanks.