Quote Originally Posted by Weedhound
Id also call too high ph.....but Rusty knows MUCH more about soil than I do so I'd take his advice over mine here. But I would try to lower your ph (to around 6.5) as well.
what weedhound said, are you in a hard water area? I'd say its PH and I'm getting the same problem, see my log I posted what i used as a solution, for my PH down phosphoric acid.. but if you are veging make sure you use nitric acid.. then your plants get nitrogen..


Peace,
Denial