For those who still believe you can flush nutrients from the buds before harvest, yet another article, summarizing a research paper linked below this one:
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The link to the original research on the bottom of the page is broken.
Here is the original research paper. The information on flushing starts on page 51, and the bar graph of the nutrient breakdown in the dried flower starts on page 71.
There was
NO statistical difference in the nutrient levels in the buds after two weeks of flushing
IN HYDRO! You read that correctly: in a 100% nutrient-free environment for two weeks before harvest, the dried buds had the same levels of N, S, P, K, Mg, and Ca as the buds that were fed.
So, let's review...you cannot flush nutes from your buds by feeding only water before harvest.
To be fair, the study did not find a statistically significant loss in mass or THC due to flushing, so
@TheMadDabber's money-saving reason holds.
The upshot? Flush if you want to, but please stop telling people it's to rid the buds of the "nute taste."
Thanks for reading, and please don't argue the point if you don't have linked scientific studies that contradict these results. Now let's move on to other things.