What is causing this?

[JimmyJames88]

My young sprouts are 6 days old on the leaves it seems the rim/edge of them is going yellow?

What causes this?

 

[ugzkmk]

you are going to ahve to provide more info.

soil, nutes, lights, temp, basic grow OP.

 

[chronik4lyfe]

low (n)...

 

[Doctor Cannabis]

If you can't provide a pic, I suggest you figure out the problem yourself by using this: http://www.icmag.com/ic/showthread.php?t=11688 I've always found this useful, hope it'll be useful for you too.

 

[JimmyJames88]

you are going to ahve to provide more info.

soil, nutes, lights, temp, basic grow OP.

Unfortunately I dont have a camera that will take a detailed enough pic to show.

Nutrients included a 1/6 of suggested solution of some 24-8-16 fertilizer and 1/6 bloodmeal

temperature floats between 19 and 21 degrees celsius

lights are 3 CFL 23w 6500k bulbs currently sitting about 3-4 in from top of plants.