yellow leaves

[bob_cake123 7]

Symptoms of the problem: yellow leave with green veins

-Age of the plant: 5 weeks grow 3 weeks flo

-Medium:soil

-Size of the pots:20l

-Temperature Day/night:28 at max /about 22-24 at night

-Type of feeding- advanced hydroponics of Holland

-PH:when i do ph test 7

-Light Power:

-Type of light 1 600w

-Distance from the plant:15 inch

[bob_cake123 7]

This is the the prob not all of the leaves are like this but its starts on the main fan leaves,it starts at the tips an works it way back slowly with the viens stayin green.im think it to be iron or copper deficiency.thanks

[jankahar 591]

it seems to be manganese deficiency, it could be caused by too high ph in medium or just lack of it in feed

thought to be sure its manganese and only that it would be easier to identify properly with true colors in the image, you can do that by fixing white balance setting on the camera

and also one larger picture that shows the area of impact on plant. if it is effected on new or old leafs. top, middle or bottom parts. what stems look like and so on, there are many clues to getting it right:)

[greenhousebobby-herbyfella 20]

.

Hi could i ask some questions about your grow .

Is this your first grow ?

how tall are your plants /

How long are the lights on

which exact nutrients are you using ?

Can you please tell me how much feed per liter are you feeding them.

Is your PH Meter calibrated .

Do you have any pictures under normal light ?

What feeding squedule are you using