SHXT! Need some knowledge.

[Efbespn]

How's it guys. Second grow here. Messed up the first one in flower but that's a different post. Just trying to grow. Since the first grows mess up I've been taking the "keep it simple stupid" approach on this one.

FEED: JACK'S 321(jacks hydro, cal nitty and Epsom). Went 70% strength on the first feed which was just last week.
Pt A 2.5
Pt B 1.6
Epsom 0.84. per gallon.
Tribus Original at 8ml
MEDIUM:Promix MP Organiks w/Mycorrhizae
LIGHTS: Electric Sky 300 LED dimmed to 70% brought it down back down to 50% thinking it may be LIGHT Burn.
RO water
Gave them second watering yesterday after 6 days of Jack's at 33% strength with Recharge and Tribus. Going to give it another day to see if it get worse. Need help from the experts and homies to identify and rectify this problemo. Any help is much appreciated

 

[Oh gosh]

How close are those lights? I use the same lights. Have mine at 30 inches and 3/4 dim, 4 weeks into flower. Think your on a good path by dimming. Make sure that PH is on point.

 

[Efbespn]

How close are those lights? I use the same lights. Have mine at 30 inches and 3/4 dim, 4 weeks into flower. Think your on a good path by dimming. Make sure that PH is on point.

Forgot to add phd at 6.2 first feed and 6.1 second

 

[Efbespn]

Forgot to add phd at 6.2 first feed and 6.1 second

Lights are at 36 at 50%

 

[Beachwalker]

How's it guys. Second grow here. Messed up the first one in flower but that's a different post. Just trying to grow. Since the first grows mess up I've been taking the "keep it simple stupid" approach on this one.

FEED: JACK'S 321(jacks hydro, cal nitty and Epsom). Went 70% strength on the first feed which was just last week.
Pt A 2.5
Pt B 1.6
Epsom 0.84. per gallon.
Tribus Original at 8ml
MEDIUM:Promix MP Organiks w/Mycorrhizae
LIGHTS: Electric Sky 300 LED dimmed to 70% brought it down back down to 50% thinking it may be LIGHT Burn.
RO water
Gave them second watering yesterday after 6 days of Jack's at 33% strength with Recharge and Tribus. Going to give it another day to see if it get worse. Need help from the experts and homies to identify and rectify this problemo. Any help is much appreciated

Looks like zinc or iron deficiency; you can use these two charts to search it

Don't think it's light bleaching, but how many plants are doing this, how fast did it happen and are they/it right underneath the light?

 

[Efbespn]

Looks like zinc or iron deficiency; you can use these two charts to search it

View attachment 921010View attachment 921011

Don't think it's light bleaching, but how many plants are doing this, how fast did it happen and are they/it right underneath the light?

Started to show 3 days ago, 3 day after its first feed.
It's right under the lights 36 inches

 

[Aqua Man]

Looks like zinc or iron deficiency; you can use these two charts to search it

View attachment 921010View attachment 921011

Don't think it's light bleaching, but how many plants are doing this, how fast did it happen and are they/it right underneath the light?

That's weird Zn is immobile as far as I know.

 

[bunkerking]

p/k toxicity will shut down zn uptake.

 

[bunkerking]

Oh its coco - you are not feeding enough. At least once a day.

 

[Aqua Man]

Looks like light was far to close to me.

 

[Beachwalker]

Lights are at 36 at 50%

I don't know anything about LEDs but doesn't seem like that would be overpowering at that power and height but I could be wrong?

Aqua Man is correct, that chart was wrong!? However I do believe it's one of those two nutrient issues, to treat either/ or I would flush my plant and then feed it with a balance nutrient at no more than 500 PPM taking care to carefully adjust pH correctly for the medium

 

[bunkerking]

Oh its coco - you are not feeding enough. At least once a day.

ah my bad. Promix MP (peat) not coco.

 

[Aqua Man]

Lights are at 36 at 50%

What were the lights at .. that's what you moved em to but you had them at 70% as far as I can read. But what distance were they at that point?

 

[Efbespn]

What were the lights at .. that's what you moved em to but you had them at 70% as far as I can read. But what distance were they at that point?

it was at 24" at 70% then moved them up to 36 at 50%

 

[Beachwalker]

it was at 24" at 70% then moved them up to 36 at 50%

How long ago did you move it up and turn it down?

 

[Efbespn]

it was at 24" at 70% then moved them up to 36 at 50%

 

[Efbespn]

How long ago did you move it up and turn it down?

Adjusted to 50% two day ago. Height yesterday

 

[Aqua Man]

it was at 24" at 70% then moved them up to 36 at 50%

I think that was your issue.

 

[Efbespn]

I think that was your issue.

So am I good at where im at right now, 36 at 50%?

 

[Efbespn]

Much appreciated Aquaman