Any professionals tell me what's wrong?

Bushbaby11

Bushbaby11

Well-Known Member
Hi guys I've got a pal who's got a show on and has ran into an issue.

Strain - strawberry glue

3 weeks into veg in soil (he was adding shogun terra a&b, but i told him to stop as he told me there's enough food in the soil for up to 4 weeks)

3 x 600w hps/mh on more to go on later

Room temps are around 24c with lights on 18/19c with lights off

Humidity is 63-66% but this was after a watering

Run off PH 6.7/6.8

Ec is 0.3 so upped the feed as i thought this was abit low

I previously thought he was over watering the plants due to leaves curling over/drooping, now I think nitrogen toxicity? But i told him to let them dry out and see if they bounce back, they haven't?

The new growth is very slow and curling under, some bottom leaves are yellowing
I'm not sure what else it could be???

Sorry about the light strobe in the pictures
 

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Hashishh

Hashishh

Well-Known Member
3x 600w for his first time? I'd tell your buddy to try to scale back before he tries to cash crop. It really ain't going to work the way he thinks it will.
Tell him to try and get 2-4 plants to finish well under a single 600w first then start to scale up.

If I had to wager, nitrogen tox combined with Ph lockout. I'd give those straight water with a runoff about 25% of the pot size and nothing but water for the next few feeds (always water till runoff). They may or may not bounce back - those have been fed to near death.

At that point I'd personally start over and not feed so much.
 
Bushbaby11

Bushbaby11

Well-Known Member
Hashishh said:
3x 600w for his first time? I'd tell your buddy to try to scale back before he tries to cash crop. It really ain't going to work the way he thinks it will.
Tell him to try and get 2-4 plants to finish well under a single 600w first then start to scale up.

If I had to wager, nitrogen tox combined with Ph lockout. I'd give those straight water with a runoff about 25% of the pot size and nothing but water for the next few feeds (always water till runoff). They may or may not bounce back - those have been fed to near death.

At that point I'd personally start over and not feed so much.
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The ec is only 0.3 though? They was fed once with the a&b
 
Bushbaby11

Bushbaby11

Well-Known Member
Hashishh said:
Doesn't matter. He overfed, caused a salt build up, gave himself lockout and now here we are. Go ahead and feed more if you think that's what it is.
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I didn't say that's what i think it is, i was just asking calm down mate, i didn't think 0.3 was high for 3/4 week old plants that's all
 
curious2garden

curious2garden

Well-Known Mod
Staff member
Hashishh said:
Tell him to try and get 2-4 plants to finish well under a single 600w first then start to scale up.

I'd give those straight water with a runoff about 25% of the pot size and nothing but water

At that point I'd personally start over and not feed so much.
Click to expand...
I'd listen to these suggestions. They took a really hard hit in veg. Until you can get veg right flower is going to be a roller coaster. What soil is he using.
 
Bushbaby11

Bushbaby11

Well-Known Member
Hashishh said:
What's his medium? I find that hard to believe personally.
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Plagron soil. I personally grow hydro so don't know too much about soil but honestly mate i checked the run off for him it was 0.3 that's why im confused because to me it looks like nitrogen toxicity but then im thinking the ec is low
 
myke

myke

Well-Known Member
Not familiar with that soil. Does it have food int already ? The runoff won’t show high EC if there’s organic stuff in there ?
They look bad. Take this as a learning exp. take one mix up 1 EC of veg food. Pour 5 gallons into one to flush out all the other shit. The other one just flush with straight water. In 3 days you’ll know what to do.
 
curious2garden

curious2garden

Well-Known Mod
Staff member
Bushbaby11 said:
Plagron soil. I personally grow hydro so don't know too much about soil but honestly mate i checked the run off for him it was 0.3 that's why im confused because to me it looks like nitrogen toxicity but then im thinking the ec is low
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I grow hydro too. Apparently there are several different Plagron soils. We need to know which one or we are guessing.

Runoff EC is useless. It's soil so you use liquid, immediately available nutrients, then the microbes feed it with the soil nutrients and suddenly you have very burnt plants.
 
Kushash

Kushash

Well-Known Member
curious2garden said:
I grow hydro too. Apparently there are several different Plagron soils. We need to know which one or we are guessing.

Runoff EC is useless. It's soil so you use liquid, immediately available nutrients, then the microbes feed it with the soil nutrients and suddenly you have very burnt plants.
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The upward canoeing of the leaves, the shine on those leaves and the overall poor health has me wondering if it's a case of russet or broad mites.
 
Hashishh

Hashishh

Well-Known Member
curious2garden said:
I hate to say this but if I had to pick my poison it would be over feeding I hope you're wrong @Bushbaby11 have your friend take a good luck under the leaves with a loupe.
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I was taking a look at their soils. They seem to be organic and generally don't suggest feeding until flower and that's only at about 1ec, so I'd be safe and go as high as 0.5 during flower. Probably start around 0.3 and work it up slowly.

I'll maintain overfeeding and if I had to make an educated guess that 0.3 he's feeding still is frying them.

All I had to do was a quick Google search for "Plagron Soil EC" and go to their official site.


That's all the work I'm doing for you OP sorry, I'm gonna unsub to this.


EDIT- To be fair I run promix (soilless) and I don't even go as high as 1ec under a 600w HPS. I usually work up to about 0.7-0.8 then taper off for harvest.
 
Kushash

Kushash

Well-Known Member
curious2garden said:
So lovely. I miss seeing @Dr. Who as much as we used to. He's brilliant.
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If he stopped in I'd ask him to look at the 3rd picture. The leaf in the middle curled upward. The shine to me does not look like a nutrient overdose shine. I think I run about 60/40 when making a micro mite call.
Again, hope I'm wrong and I'll follow along from this point to see where it goes.
 
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