Yellow / brown spots on leafs newbie help

[tomcromp]

Hello i have yellow/ brown spots on my leaf, i cut the lower leafs off as they where bad and drying out. I have been given it tap water which is ph6.2-8 and today for first time since planting i gave them some nutrients and ph was ph5.4-5.6 humidity 66% 25 degrees Celsius. they are under a 125watt cfl
The lights have been on 24 hours
I have now turned the light to 18-6
They are 2 G-13's, 1 Blue Cheese and 1 Violator Kush

You can look at the pics below
Please let me know what you think the problem is?

Cheers
Tom

tomcromp Reviewed by tomcromp on 09-30-2008. Yellow / brown spots on leafs newbie help Hello i have yellow/ brown spots on my leaf, i cut the lower leafs off as they where bad and drying out. I have been given it tap water which is ph6.2-8 and today for first time since planting i gave them some nutrients and ph was ph5.4-5.6 humidity 66% 25 degrees Celsius. they are under a 125watt cfl The lights have been on 24 hours I have now turned the light to 18-6 They are 2 G-13's, 1 Blue Cheese and 1 Violator Kush You can look at the pics below Please let me know what you think Rating: 5