Quote Originally Posted by marx2k
....the plants looked like crap before the CalMag so Im hoping the CalMag will help it out.
This tells me that you may be witnessing the results from earlier damage which may already be corrected. The leaf you posted may have incurred the damage back when you didn't have the calmag in your receipe and it's now more obvious since the leaf grew bigger.

What does the rest of the plant look like? Is the new growth showing any signs of spotting? What is your watering frequency? How tall are these plants?.... 800 ppm may be a bit high for a small plant that is trying to recover from an earlier deficiency.

GM
GluteusMaximus Reviewed by GluteusMaximus on . Identifiy the problem ~800 PPM CalMag + FloraNova Grow PH @ 5.6-5.8 at all times -- Skunk #1 -- These are clones under @ a little over two weeks of vegging - I did find algae in the res, so I changed nute solutions last night -- They are under 18/6 cycle -- Plants are getting progressively worse as time goes by. This seems to mainly effect the fan leaves... Rating: 5