When to stop nutes?

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Damien2003gt

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Just wanted to know what to look for in the plant which would prompt me to cut off the bloom nutrients.

Thanks in advance.

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AutoWonders

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Soil two weeks before harvest, coco one week before harvest. Dependent on whether you want to harvest with cloudy trichomes or cloudy with amber. I usually stop the nutes when I have mostly cloudy. I am in coco and I use organic Blackstrap molasses because I have filtered water and need an additive to ph.
 
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Archaic

Flushing is a myth!
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You don't need to starve your plants at any point in the grow cycle. Nutrients only flow one way in a plant so the notion that you are somehow purging them of the stuff they are built from is a myth.

You would not starve a hog for two weeks before you harvested it, feed your plants until they are done.
 

Muddy

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Usually a 3-5 day cleanse at the end is all that's needed in hydro. I run nutes right up until then, then change the system out and add some Clearex and UC Roots for those last few days. I like to wait to start the cleanse until most of my trics are cloudy and have about 5-10% amber.
 
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sewerdweller

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You don't need to starve your plants at any point in the grow cycle. Nutrients only flow one way in a plant so the notion that you are somehow purging them of the stuff they are built from is a myth.

You would not starve a hog for two weeks before you harvested it, feed your plants until they are done.
never heard of this before. have you read anything on this or speaking from personal experience?
 

Simplicio

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never heard of this before. have you read anything on this or speaking from personal experience?
From https://atrium.lib.uoguelph.ca/xmlui/handle/10214/12125?fbclid=IwAR3gNpE5Nj5-Uut7iPF94NGG4A_2cPXI9GnkmgAesrtDw5YMCDKp9u7kgS4
"Flushing was found to be ineffective in removing any significant amount of nutrient from the bud"
https://www.thcfarmer.com/threads/flushing-is-a-bad-practice-based-on-flawed-science.64789/

I've never done a pre-harvest flush every, but do reduce nutes when the plants are ripening.
 
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Archaic

Flushing is a myth!
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It's just simple botany. Plants don't pee or poop and roots only allow fluid to flow in one direction. Flushing is just an old stoner myth.

Plants have no mechanism for excreting nutrients, nutrients are not 'consumed' in violation of the first law of thermodynamics, and the only gas they produce is oxygen via photosynthesis. There is no way for the elements that compose a plant to be flushed out.

If we spent as much time overthinking tomato plants as we do pot plants, ketchup would be $100 a bottle.

Feed 'em til ya pick 'em.
 

Simplicio

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It's just simple botany. Plants don't pee or poop and roots only allow fluid to flow in one direction. Flushing is just an old stoner myth.

Plants have no mechanism for excreting nutrients, nutrients are not 'consumed' in violation of the first law of thermodynamics, and the only gas they produce is oxygen via photosynthesis. There is no way for the elements that compose a plant to be flushed out.

If we spent as much time overthinking tomato plants as we do pot plants, ketchup would be $100 a bottle.

Feed 'em til ya pick 'em.
Well said.
Flushing is one of the needless MJ rituals that are not done with other plants.
 

sewerdweller

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never attend a botany class simple or advance its news to me
thanks for its info
 
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Muddy

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It's just simple botany. Plants don't pee or poop and roots only allow fluid to flow in one direction. Flushing is just an old stoner myth.

Plants have no mechanism for excreting nutrients, nutrients are not 'consumed' in violation of the first law of thermodynamics, and the only gas they produce is oxygen via photosynthesis. There is no way for the elements that compose a plant to be flushed out.

If we spent as much time overthinking tomato plants as we do pot plants, ketchup would be $100 a bottle.

Feed 'em til ya pick 'em.

I strongly disagree with this way of thinking. Granted, the plants have no way to expel excess nutrients but cutting back or eliminating nutrients near the end allows the plants to utilize any stored nutrients and only uptake water and/or water and cleansing agents. I've done it both ways in organic soil, soil less and hydro and plants that have been flushed always produce a product that is less harsh and smoother to smoke. I've also discussed this subject with representatives of both House & Garden and Cultured Solutions. To the man they all agree that cleansing the plants near the end product a better product. Since they know more than I do on the subject, I'll take their word. As I said, my own experimentation backs up what they have told me.
 
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