Help diagnose spots on leaves

Darknes01

Well-Known Member
This is my 2nd grow in RDWC and 1st one was amazing. I took clones for myself and just transferred them ( 8 days ago) into the grow room.
Now i have these random gold bronze spots on my leaves and some are drying out and crumbling. I just checked today and most of them have roots out of the net pots but i cant figure out if this is some leaf disease or nutrient issue.
for nutrients im using GH 3 part @70% strength + calmag + silica. I did this same nutrient mix last grow from which these clones came from and they seemed to love it last time so cant figure it out.
Thank you all in advance for your help.
is it a phosphorus deficiency ?

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Trickyticky

Well-Known Member
Check ya ph first , then check ya ec ,
Make sure they are in range , then start looking at other things .
A lot of problems stem from in correct ph and ec
 

Darknes01

Well-Known Member
@Beehive @Trickyticky
I dont think its a pest issue, i looked at every single plant ( 32 of them ) and didnt see a single sign of a pest, however I am now thinking its nutrient overall deficiency. Reason im thinking this is the issue is because i vegged them from clone to about 2ft in rockwool and feed them every single day , but after transplanting them into my RDWC system i only top fed them 1 or 2 times in the beginning and just waited for them to get roots into the buckets to drink and eat, not thinking that they are not little clones but mature plants and need food and water all the time , so im going to top feed them now and till roots reach the water level and hope for the best. I will come back here and post results incase someone else might have similar issue.
 

Beehive

Well-Known Member
high 40 low 50 oh and i kept it this low due to small sign of PM , so i sprayed need oil then lowered humidity to stop PM , but i guess I killed the PM and starved the plants at the same time :(
Up the humidity. 55-60%. Up the circulation. Mold settles in on dead spots of air. It's ok to run a high RH% but back it up with circulation. Stir the air in the room. Don't just wave a fan at the plant. Every inch of the room has to have moving air.
 

Darknes01

Well-Known Member
Up the humidity. 55-60%. Up the circulation. Mold settles in on dead spots of air. It's ok to run a high RH% but back it up with circulation. Stir the air in the room. Don't just wave a fan at the plant. Every inch of the room has to have moving air.
oh ya , fan part i got covered, in a 10x20 room i have 7 fans working 24hrs a day lol , i was just affraid of humidity allowing pm to take hold
 

Beehive

Well-Known Member
oh ya , fan part i got covered, in a 10x20 room i have 7 fans working 24hrs a day lol , i was just affraid of humidity allowing pm to take hold
It's gotta go up. The plants are drinking too much. It's overdosing itself. The only way to slow it down is with humidity.

Stick some sections of cleaned copper wire in the tank of the humidifier.
 

Darknes01

Well-Known Member
It's gotta go up. The plants are drinking too much. It's overdosing itself. The only way to slow it down is with humidity.

Stick some sections of cleaned copper wire in the tank of the humidifier.
ok gonna increase the humid to 60% but whats the copper wire for ?
 

Beehive

Well-Known Member
ok gonna increase the humid to 60% but whats the copper wire for ?
Copper is a fungicide. Nothing grows on copper. If it comes into contact with it. It'll kill it. Like mold. An old school way to store water was to put some copper coins in the water.

I've tested it. I've sat RO water out for a couple days. It smelled funky as hell. Rotten. You'll get the same type smell from RO water that's been setting in a humidifier. Which heats to room temp.

The addition of copper will keep it from smelling funky in between cleanings. It might smell musky. Stale water but its not rotten.

.....


Then there's the theory of the copper ions being pumped into the air. Molds worst enemy.
 

Trickyticky

Well-Known Member
@Beehive @Trickyticky
I dont think its a pest issue, i looked at every single plant ( 32 of them ) and didnt see a single sign of a pest, however I am now thinking its nutrient overall deficiency. Reason im thinking this is the issue is because i vegged them from clone to about 2ft in rockwool and feed them every single day , but after transplanting them into my RDWC system i only top fed them 1 or 2 times in the beginning and just waited for them to get roots into the buckets to drink and eat, not thinking that they are not little clones but mature plants and need food and water all the time , so im going to top feed them now and till roots reach the water level and hope for the best. I will come back here and post results incase someone else might have similar issue.
That is why I said check ph and ec , I didn't mention anything about pests .
 

Darknes01

Well-Known Member
Ya need to be exchanging the air , not just move it around ,
Plants are about 2.5 months old and ph is around 6. I bring it down to 5.8 then it goes back up to 6.3ish but also my top is plain water with ph of 7.5 so that could be why ph is going up?
 
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