Flushing at the end of flower to remove built up nutrients.

I'm curious if there are any scientific studies to prove this works or does anything to the plant? I've always been on the fence on it and would like to see some studies if anyone has some to point me to. We've all heard the rhetoric of "black ash" and weed that chars instead of burns which in my experience is just weed that isn't fully dried yet but I am fully open to proof of the opposition.

Dubstin said:

I'm curious if there are any scientific studies to prove this works or does anything to the plant? I've always been on the fence on it and would like to see some studies if anyone has some to point me to. We've all heard the rhetoric of "black ash" and weed that chars instead of burns which in my experience is just weed that isn't fully dried yet but I am fully open to proof of the opposition.

Click to expand...

why not try a side by side and prove it for yourself....flush one plant and not the other

IMO...you won't notice any difference

I think it really depends upon how much and what kind of nutrient you use. Synthetic nutrients can build up dissolved salts and magnesium in your soil over time but they are quickly leached out if they were used sparingly in the first place. If these are given in very heavy doses you'll need some straight water to dilute it all off which could take a couple weeks. This is why it is suggested you give water only for the last 14 days before harvest but ive done it for 10 days or even less and hardly noticed a difference. If you are using organic soil and mostly giving just water anyway there's no need for flushing just water as normal. It is unecessary to starve them at the end of bloom as many do...you are just trying to rinse off the roots so your weed burns clean but if you didn't give them high doses of nutes to begin with then minimal flushing is required if at all.

OMFG! The dreaded never ending question from hell!

FLUSHING IS A MYTH!

"Flushing" has NO scientific value......In fact, the use of science and proven theory says the "flush" has no real value here.
Why in the hell are you depriving your plant of nutrition right at one of the critical growing times?

The best tobacco's are 'cured" with great care. Most yahoo's are so fired up to smoke they force the drying period and skip any cure.......THAT makes for shitty smoke! Long drying times of 2-3 weeks and long cures of 3-4 are best.....2 week cures are close but a bit short in my book....

Skip the "flush" and proper dry and cure will get you the best result - NO MATTER WHAT YOU FEED WITH....


Doc

Dr. Who said:

OMFG! The dreaded never ending question from hell!

FLUSHING IS A MYTH!

"Flushing" has NO scientific value......In fact, the use of science and proven theory says the "flush" has no real value here.
Why in the hell are you depriving your plant of nutrition right at one of the critical growing times?

The best tobacco's are 'cured" with great care. Most yahoo's are so fired up to smoke they force the drying period and skip any cure.......THAT makes for shitty smoke! Long drying times of 2-3 weeks and long cures of 3-4 are best.....2 week cures are close but a bit short in my book....

Skip the "flush" and proper dry and cure will get you the best result - NO MATTER WHAT YOU FEED WITH....


Doc

Click to expand...

Thats what I've always thought, I've personally only ever flushed when I ran out of nutes too early and it seemed to be the worst crop i've ever had.

I've also though that long flush seems counter productive, for those reasons above.

That said, even the nutrient guide supplied by nutrient manufacturers often recommends a week long flush at the end - what gives there?

Flushing is necessary ...after a big shit