Help black leaf tips.

[bicflikr]

2 plants three week old, leaves turning lite green to yellow and tips are turning black. Using fox farm. Any suggestions?
Thanks.

no nutes just water.
not too much water either.

bicflikr Reviewed by bicflikr on 07-03-2010. Help black leaf tips. 2 plants three week old, leaves turning lite green to yellow and tips are turning black. Using fox farm. Any suggestions? Thanks. Rating: 5