Beginner needs help

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Wigz420

Member
I’m in a 4 by 4 tent with 600w hps tube cooled light my plant are about 4 weeks old the temps are around 30c lights on with 5inch extractor fan and 1 6inch fan inside for air movement (just added a bigger fan to help cool) my leaves are starting to lighten and now some are going brown can anyone suggest what is wrong
 

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Hobbes

Hobbes

Well-Known Member
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One problem may be the heat. Are you venting the tent exhaust to a different room or just outside the tent?

What are you feeding them? How often? Are you soaking your pots til runoff?

More questions to come.

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curious2garden

curious2garden

Well-Known Mod
Staff member
Wigz420 said:
I’m in a 4 by 4 tent with 600w hps tube cooled light my plant are about 4 weeks old the temps are around 30c lights on with 5inch extractor fan and 1 6inch fan inside for air movement (just added a bigger fan to help cool) my leaves are starting to lighten and now some are going brown can anyone suggest what is wrong
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It's not heat. It was 117 at my house today (it was mid 90s in my grow) and my plants don't look like that. Look for bugs look for things moving in the soil too. What are you growing them in (substrate) and what are you feeding?
 
Killaki

Killaki

Well-Known Member
Hmmm. Honestly it looks like a pH or nutrient thing turning it yellow. Is it worse at the bottom like the pic's suggest? Light burn is worse at the top as that's what's closest to the light. What's your pH? What kind of soil? Are you feeding nutrients?
I also agree to watch for bugs. The little spots look pretty close to what my grow did the time I got thwips. Could be micronutrient related but from what I see I'm leaning more like bugs.
 
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Wigz420

Member
Hobbes said:
.

One problem may be the heat. Are you venting the tent exhaust to a different room or just outside the tent?

What are you feeding them? How often? Are you soaking your pots til runoff?

More questions to come.

.
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It’s in my shed the door has a mesh vent on that iv attached the pipe onto. iv only been giving 1ml of bio bizz root juice to 1l of water about every 3 days when the top inch or so is dry and I don’t get 20% run off I just wait till I see a few drops coming out the bottom
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Wigz420

Member
Killaki said:
Hmmm. Honestly it looks like a pH or nutrient thing turning it yellow. Is it worse at the bottom like the pic's suggest? Light burn is worse at the top as that's what's closest to the light. What's your pH? What kind of soil? Are you feeding nutrients?
I also agree to watch for bugs. The little spots look pretty close to what my grow did the time I got thwips. Could be micronutrient related but from what I see I'm leaning more like bugs.
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It seems to be most down the bottom I think. I keep them about 18-20inch from the light I got them gifted all I know about the soil is it’s ment for tomatoes just a basic soil. They are getting 1ml biobizz root juice to 1liter of water. But I have got thrips iv gave them a weak neem oil spray and iv ordered ladybugs lol but I was told they wouldn’t damage the plant too much
 
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Wigz420

Member
curious2garden said:
It's not heat. It was 117 at my house today (it was mid 90s in my grow) and my plants don't look like that. Look for bugs look for things moving in the soil too. What are you growing them in (substrate) and what are you feeding?
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I do have thrips in my tent but my friend told me they wouldn’t do much damage
 
go go kid

go go kid

Well-Known Member
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Try getting rid of them if you can, it may cause confusion if youget something else wrong with it. kinda looks like spider mite damage to the untrained eye.
 
C

Cupboard guy

Active Member
I used to grow with a cousin who had access to free grow bags and insisted on using them. For 12 months we battled every bug, mould, nute and ph problem I’ve heard of.
We parted ways and I haven’t used a grow bag since and never had any problems I haven’t caused myself.
Tomato soil is the devils spawn. I hate it.
 
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Wigz420

Member
Cupboard guy said:
I used to grow with a cousin who had access to free grow bags and insisted on using them. For 12 months we battled every bug, mould, nute and ph problem I’ve heard of.
We parted ways and I haven’t used a grow bag since and never had any problems I haven’t caused myself.
Tomato soil is the devils spawn. I hate it.
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Yeh I’m repotting today and using biobizz light mix so hopefully I’ll be able to work out what’s going on abit better
 
C

Cupboard guy

Active Member
Wigz420 said:
Yeh I’m repotting today and using biobizz light mix so hopefully I’ll be able to work out what’s going on abit better
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Good luck mate, with plenty of care you can still pull monster nuggets from those plants and I’m sure you’ll regain control.
 
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