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Sick Plant Rust spots and yellow tips.


Newtothis
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Terpinolene
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Hi everyone. Iv been listening to the pod casts this week and have really enjoyed them and am learning loads.

seems like a good punch of lads so I’m hoping you guys can help.

Iv noticed over the last week that my plants aren’t looking great and have some rust spots and the tips are going a light colour, net yellow as such but sort of white.

I gave them there 1st feed just over a week ago and then again a few days later. I now know this was to much. So thought it might be burn.

im using a Marshydro tsw2000 at it’s been about 20”ish from the top. I was slowly giving it a little more power but thought maybe it could be light stress so Iv moved from 75% to 50.

I know it’s proper hard to tell from a few pics but any advice would be appreciated 

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Newtothis
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Terpinolene
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Growing in canna soil.

not sure if it help but when I water I have a lot of run off. Starting to think that maybe this is not helping.

 

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Macky
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@newtothis welcome to Percys man thanks for joining us! 

Watering too much is probably the issue, if there is too much run off it can wash out too many nuits, especially potassium, which i think is more water soluble, and your plants need this in flower. 

What are you feeding this plant, and how much per litre. Are you measuring the ec and ph? 

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Newtothis
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Terpinolene
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@macky hello mate, thanks for the reply.

I’m using canna veg.
The soil is canna plus. I was told that it had enough food for a few weeks and all 4 plants were growing amazingly fast. At week 4 I decided to give them their 1st feed and gave them 50ml per 10lt. 

each plant got about 3.5lt and I let them sit for about 10min with run off (which was brown). 
Ph was 6.2 not sure about Ec mate.

after listening to one of the podcasts I now that I should have given them 1/4. But at the time i was on a roll.

 

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Newtothis
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Terpinolene
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I’m struggling with my RH atm mate. 65-75 if that helps

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Newtothis
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Woolie
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@newtothis Your Rh is ok matey it is on the high side but please don't panic , opening a flap may help lower it or some circulation , would be best to drop it in heavy flower to 55% but you have time on your side on that one too , your plants look great pal Thumbs Up

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Newtothis
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@woolieback thanks for replying mate. 
I can tick that off the list now 😃

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Macky
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Have not given them any flowering food? Like a pk booster? That would help at this stage Smile

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Newtothis
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@macky I gave them 1ml per Lt cal mag and some canna bloom (1/4 dose) last night mate

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Newtothis
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Terpinolene
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@macky I planted them on the 12/01 and gave them veg feed on the 6/02. 

apart from last night that’s all they have had. 

so do you think they haven’t had enough food mate. 

I’ll have some pk Monday. Would you say I should give them another bloom feed before then?

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