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Old 07-24-2008, 11:32 PM
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Default What is this Pics
It starts with a little brownish/black speck in the middle of the leaf then spreads. It almost looks like a muddy spot. It starts in the middle to upper middle of the plant.




Last edited by bobman; 07-24-2008 at 11:47 PM..
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Old 07-24-2008, 11:33 PM
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Pics didn't work bro
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Old 07-24-2008, 11:36 PM
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Sorry having trouble uploading pics thought I could cut and paste.
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Old 07-24-2008, 11:44 PM
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You have to host the pics on the internet. Your computer can't host them. Try photobucket... or use the attachment feature which can be found on the "new post" screen.
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Old 07-24-2008, 11:46 PM
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Old 07-24-2008, 11:56 PM
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Could be Manganese deficiency. Or maybe you splashed something toxic on the leaves.
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Last edited by GrowSpecialist; 07-25-2008 at 12:04 AM..
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Old 07-25-2008, 12:01 AM
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Quote:
Originally Posted by bobman View Post
Man I'm sorry I can't be of much help, but all I know is that chlorine and flouride can cause black spots like that... But I would think they would be much worse. How long has this been happening?
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Old 07-25-2008, 12:03 AM
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You should check out this site. I'm sure it'll help you out.

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Old 07-25-2008, 12:07 AM
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What kind of water are you using and are you checking it's ph?
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Old 07-25-2008, 12:23 AM
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I am using a combination of tap that sits for a 12-24 hours and ro water. I have not checked the ph.It is very weird. This same thing happens in the first few weeks of growth after cuttings. Once they are rooted and placed under 1000w about a week after that this develops. I usually feed and it somewhat disappears and they grow out of it. But these particular plants are 7-8 weeks old and in their second week of flowering.. I have been using the same water on the mother with no problem in fact for the mothers I just water them without letting the water sit. They get watered up until now about once a week and for the last 2 waterings have incuded reduced nutes.Instead of half strength about quarter strength.
 

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