First Grow. Coco .perpetual Harvests, 2x 600w Hps + 400w Hm. Automatic Feeding.

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AlbaNinja84

AlbaNinja84

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Bought a lamp for the seedling and possibly future clones. Also got canna flush, I want to rinse out (not flush) the two mag def plants to remove salt build up and give it straight back with a low feeding.
I don't really have anything to loose in trying.
 
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Wisher619

Wisher619

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Bought a lamp for the seedling and possibly future clones. Also got canna flush, I want to rinse out (not flush) the two mag def plants to remove salt build up and give it straight back with a low feeding.
I don't really have anything to loose in trying.
why would you have any buildup?
you are feeding to waste with 10% runoff and then dispensing the waste yes?
 
AlbaNinja84

AlbaNinja84

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why would you have any buildup?
you are feeding to waste with 10% runoff and then dispensing the waste yes?

Yes were watering with runoff. And coco is always wet. Also runoff is always removed.
I'm worried because there still in mag def, even if the coco is always watered correctly now.

Just 2 plants continue having a very bad mag def. Adding mag is solving nothing.

Maybe when it dried in the beginning it accumulated some kind of salts or too much k? And it is locking out mg?
 
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Wisher619

Wisher619

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Yes were watering with runoff. And coco is always wet. Also runoff is always removed.
I'm worried because there still in mag def, even if the coco is always watered correctly now.

Just 2 plants continue having a very bad mag def. Adding mag is solving nothing.
it may be that those 2 plants need a higher ec
the look of the leaf tips to me did not look like burn but underfeeding
I could be wrong but thatbis what it looked like to me
judging by the size of you plants IMO they should be intaking somewhere between 1.4-1.8 ec
when underfed the tips of leaves will become a yellowish/white and become soft then die
also if your ph is out of balance

as well it could just be those 2 plants just are not as forgiving and or need something different than the rest

hopefully you have a true ph meter or ph drops/test kit
to make sure your ph is 5.5-6.2
preferably 5.8
and a true ec meter
not soil probes but water meters
very necessary

also the tap water may be effecting those 2 plants and not the others

there are many variables
but IMO just keep the good ones happy and feed the other 2 the same and either they work themselves out or they dont
Just my opinion
 
AlbaNinja84

AlbaNinja84

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yes I have a proper ph meter and has been calibrated correctly every 2 week.
This is the plant with burn tips. Touching them has a strange texture, like a spungy sensation. Only new growth.
 
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AlbaNinja84

AlbaNinja84

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Maybe its not ph or nutes.
Environmental factors also play a major role. Maybe focus more on air flow and humidity. Is all that shit dialed?

Had a humidifier before, but mold started attacking everywhere around the room. We removed it.
Humidity is at 50%, at night rises to about 65. I know it should be higher, but can't do anything about it.
But 50% shouldn't be low enough to cause problems.

Temp is stable at 23-24 C day and 20 C night.

For the air flow it has extractor and fan with most of the boxes windows open.
 
AlbaNinja84

AlbaNinja84

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Ok so we moved everything to flower. Flipped to 12/12 under 600w hps.
Most doing well, just one doing not so great but looks like she is picking up.
Cleaned a bit of leaves and branches at the bottom, except for the one doing bad.
Stems are a bit weak, probably due to the deficiencies?
I want to buy a bit of RhinoSkin and give it to them during the two week switch.
 
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Wisher619

Wisher619

6,648
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Ok so we moved everything to flower. Flipped to 12/12 under 600w hps.
Most doing well, just one doing not so great but looks like she is picking up.
Cleaned a bit of leaves and branches at the bottom, except for the one doing bad.
Stems are a bit weak, probably due to the deficiencies?
I want to buy a bit of RhinoSkin and give it to them during the two week switch.
that sint how silica works
it should be incorperated from the beginning so it has a chance to build up to actually strengthen cell walls
it isnt like CalMg a quick boost

it is a long term application

I would just let it grow
not everything is due to a problem
many things are genetic
plants are like kids
from the same mom and dad but not identical
they will all exibit different traits
and some plants may display recessive genetics traits that arent acceptable
just the way it is
but I would just stick to the program and finish her out
IMO she will be fine
 
AlbaNinja84

AlbaNinja84

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Mag def is compleately gone.
But I have new deficiency . And temps too high. I will buy cooltubes tomorrow.
They have been at 1.5 - 1.6 ec.
Temps unfortunately 27c.
Humidity 40-60
 
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