Can anybody help my plants?! Current culture

Andrew17197 said:
No ppm hasn't changed. And my system volume is too big to notice any water difference.
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me personally would add RO to get it down to like 150ppm. i would try to get them eating even if just a tiny bit. and drinking too.

that really bad looking plant you posted: you sure you don't have any root rot going on? when they get burnt like that and then lockout they are more susceptible to rot.

they usually get worse before they get better. none of this will fix existing damage.
 
Looks very much like Zinc deficiency.

If you grew a 9lb plant in the same system with the same nutrients, then whats changed? Perhaps your nutrients have gone bad or they are past best before date?

Why are you using cal mag if you are using tap water? Could be a cause for a lock out there if you have too much Cal. Maybe get an RO system.
 
rkymtnman said:
me personally would add RO to get it down to like 150ppm. i would try to get them eating even if just a tiny bit. and drinking too.

that really bad looking plant you posted: you sure you don't have any root rot going on? when they get burnt like that and then lockout they are more susceptible to rot.

they usually get worse before they get better. none of this will fix existing damage.
Click to expand...
crazymcdazy said:
Looks very much like Zinc deficiency.

If you grew a 9lb plant in the same system with the same nutrients, then whats changed? Perhaps your nutrients have gone bad or they are past best before date?

Why are you using cal mag if you are using tap water? Could be a cause for a lock out there if you have too much Cal. Maybe get an RO system.
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It wasn't a 9P plant but rather 9ps over 9 plants ( I grew in 10*10 last time. Maybe it was luck lol...

Honestly I can't think of what's changed. Looking through my diary of last grow it may because I am running slightly higher ppm then last time. Last time it was around 320... This may have been my undoing, I thought overfeeding was a thing when it was over 400+ppm than recommend.

But last time it was also running autos, more watts at this stage, more co2 at this stage etc..
 
If you have bluelab you should be going off EC. Whats the EC at? When was the last time you cleaned and calibrated your system and meter? I might suspect your system has excess salt built up and your EC might be super high...
 
Current culture with CO2 enrichment i had RO water, running at 175 PPM (500X) of just coco cal, and 750 ppm with the base nutes in veg.
Just around 1000 ppm (500x) mid flower
I get the feeling you are not giving enough.
 
Andrew17197 said:
I don't know what to tell you man, my ppm are staying steady lol. I wish they weren't.. I have checked against the chart, it's just impossible to tell my water level with the current build.
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Do you have a top off? Do you add back with straight RO or with Nutes?
Water fluctuations might be apart of your problem too.
Important to have the water at the correct level, and stay there consistently.
 
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