[EastCoast710]

In coco I start with a phed flush 3 weeks from chop. checking ppm of the runoff seems to match my last flower.. then just phed water the rest . and by the chop everything should be pretty yellow.

[Piff Rhys Jones]

The black ash thing bugs me too.

This is my theory based on experience and testing.

I've experienced plants grown in the ground fed nothing, that faded out and burned perfectly, that grew next to a clone of the exact same variety, that burned not so good with a darker ash, less clean favor, and had less of a fade at harvest.

The clone that smoked not as nice never really performed as well as it's sisters, slightly smaller stature, less bushy, fewer buds sites. I put this down to a weaker root system and slower metabolism maybe.

So because it had a slower metabolism, it was less able to deplete the medium of nutes (the ground) or maybe just didn't process the nutes as well as the better performing ones.

Remaining nutes in the medium or plant itself is the cause of black ash and reduced quality. It's also important to note that the more resinous and dense the texture of the bud, the whiter the ash will be, provided as few nutes remain as possible.

Peace

[sourkush]

i agree with your theory.

I'm not sure i'll do the "showering the soil" thing again. The ones i did are the slower to yellow. They were the darker to begin with, that's why i did it, but it doesn't seem to make them yellow faster.
I'd like to have RO water, i think it will be more efficient but i don't wanna invest in a kit and set it up it seems like a hassle.

[sourpuss]

How long u guys flush your veggies? Not sure the last time i heard my apples werent flushed??

Internet is fully of dumb ideas..

[sourpuss]

If a plant puts on the most weight in the last 2 weeks also known as producing more plant tissues does an enviroment of zero nutrients sound like a good idea to you? Or does feeding a plant as close to the right amount at the right time sound right? Is there any point in your life where 2 to 3 weeks of just water would be beneficial to your life? Or does eating just enough of the right foods to maintain a healthy diet sound right to you?

Did you ever eat an apple that tasted like it wasnt flushed??? Lol

[sourkush]

i've never tried an apple that tasted unflushed but i've definitely tried many buds that did.
Also i think fruits and veggies taste like shit in the supermarkets.
Anyway i'm not trying to argue about flushing or not, let me be dumb and flush my buds, i'm satisfied with my yields anyway so i don't care about getting these last 5% of weight that you might get from feeding til the end. Maybe we don't grow for the same reasons. If i wanted highest yields i wouldn't go veganic.
When you hear guys like aaron from dna saying "when you're leaves are crispy dying yellow, that's when you made a good job", i would trust him more. And that's not just him, every one says it except some people on forum boards.
And if you're harvesting fully green plants and have perfect buds then congrats, you have a competitive advantage over the dumb flushers!
Maybe you're the one who is right and it's not unflushed buds that burn black and taste harsh but then please share you're scientific knowledge about what does this

[Douglas.Curtis]

Cannabis with excess nutrients (hydro or soil, doesn't matter) contributes to low blood pressure. Headrushes and ischemic strokes. Anyone who doesn't know this has limited experience with cannabis. It also burns darker/blacker and leaves a heavier/harder ash behind. Period.

Cannabis is NOT a vegetable or a fruit, it's a dynamic/hyper accumulator plant. Comparing cannabis to veggies or fruit is ignorant. The fruits and veggies in the store taste like shit because they're grown for hardiness, not flavor and nutrition.

Feeding a cannabis plant excess nutrients will produce cannabis which no amount of flushing will cure. Hydro and organic produces the same results.

Originally Posted by sourkush

what i don't get is why i have perfectly flushed buds and unflushed buds on the same plant, i'm guessing most of you harvest a plant in one time, so obviously some leaves will be yellow/crispy/dry/dead/empty of nutes, and some lowers will still have some green/nutes in them.
Or do you harvest in different times to let the lower buds flushed longer?

2-3 weeks after switching to 12/12, cut away all bud sites which are growing a stem to reach for more light. All the remaining sites are within the optimal light range and will mature at the same rate.

Lower 'larf' is not getting as much light, cannot process as strong of a nutrient solution/soil amendment strength, and will become over nutriented. Since cannabis packs on elements 'outside the passive ionic uptake' (see dynamic/hyper accumulator plants) it's extremely important to only allow it what it needs, when it needs it.

Excess kills quality and quantity.

[sourkush]

good to know, i'll check about dynamic/hyper accumulator plants

Still hard to do when you have 16 dif strains under one 600w cause they consume water and nutrients all at a different rate and i'm not going to mix a precise nutrient mix for every single plant but i make an average, the tallest/biggest/fastest ones are a little underfed and the smallest/slowest/less healthy roots get a little overfed. I can't have it all perfect with so many different strains.

[sourkush]

Querkle, going in the drying closet

[sourkush]

A hyperaccumulator is a plant capable of growing in soils with very high concentrations of metals, absorbing these metals through their roots, and concentrating extremely high levels of metals in their tissues. The metals are concentrated at levels that are toxic to closely related species not adapted to growing on the metalliferous soils. Compared to non-hyperaccumulating species, hyperaccumulator roots extract the metal from the soil at a higher rate, transfer it more quickly to their shoots, and store large amounts in leaves and roots. The ability to hyperaccumulate toxic metals compared to related species has been shown to be due to differential gene expression and regulation of the same genes in both plants. Over 500 species of flowering plants have been identified as having the ability to hyperaccumulate metals in their tissues.


Next question is, can they get rid of the excess metals they have stored (by flushing to get them to use what they stored) or once the metals are in the plant material, they can't be used anymore?