Quote Originally Posted by MadSativa
nute deficiancy caseued buy improper PH or improper nute usage. a flush and light nutes is needed. signs are heavey greening with heavey dead material on it. means its not a pest fungus is usualy somewhat differant but could be the same as well. fungus will turn black usualy
Thanks man, but its not a PH problem. We have 3 different PH meter's that are all calibrated at least once per week. Our PH is dead on.

Not all fungus turns black. There are hundreds of different kinds of fungi.