growsince79
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For me flushing stated in 85 with my ebb and flow. Feed the same clone 1200ppm right up to the harvest and compare to the clone that was flushed 2 days prior.See I find it kind of funny in a way because if you take the simple theory of the flushing and how it started with outside growing (unless it’s a greenhouse) technically you get free “” flushes all the time when it rains so it just seems to be a concept that was applied for no actually reason to all forms of gardening.
I don't know anyone whose actually done that themselves that will say flushing doesn't matter.