Stoned Teacher: How did they look BEFORE you added the extra Cal Mag? Also, was it Cal Mag or Botanicare's Cal Mag +?
I'm leaning towards too much Cal and/or Mag is causing your problems. Many, many times when I was having to add a lot of PH down that the plants just wanted a stronger feeding. And when you use buffered nutes such as Canna/GH etc, you need to realize, adding 200 ppm of nutes Versus 200ppm of PH down; #1: you are throwing you nute profile WAY out of whack ; and #2 The buffering capacity of the PH adjusters usually doesn't have nearly the same effect as just making the nutes stronger.
Basically, PH Down tends to be Phosphorous Based and PH Up tends to be Potassium Based.
From the Sick Plants guide by "MYNAMESTITCH":
"Too much Phosphorus levels affect plant growth by suppressing the uptake of: Iron, potassium and Zinc, potentially causing deficiency symptoms of these nutrients to occur def in plants. A Zinc deficiency is most common under excessive phosphorus conditions,
As well as causing other nutrients to have absorption troubles like zinc and copper. Phosphorus fluctuates when concentrated and combined with calcium"
"When you have too much Potassium in your soil, it can lead to big troubles, like salt damage and acid fixation of the root system, as well as too much potassium can cause a calcium deficiency. Your fan leaves will show like a light to a dark yellow to whitish color in between the veins. Due to a molecular imbalance, potassium toxicity can cause a reduced uptake and lead to the deficiencies of Mg, and in some cases, Ca. Also leads to the other nutrients to not be absorbed properly leading to lots of other deficiency such as: magnesium, manganese, zinc and iron and can cause problems with calcium as well."
You definitely seem to have some micro-nute deficiency most likely caused by over use of PH adjuster or the Cal Mag.
I'm leaning towards too much Cal and/or Mag is causing your problems. Many, many times when I was having to add a lot of PH down that the plants just wanted a stronger feeding. And when you use buffered nutes such as Canna/GH etc, you need to realize, adding 200 ppm of nutes Versus 200ppm of PH down; #1: you are throwing you nute profile WAY out of whack ; and #2 The buffering capacity of the PH adjusters usually doesn't have nearly the same effect as just making the nutes stronger.
Basically, PH Down tends to be Phosphorous Based and PH Up tends to be Potassium Based.
From the Sick Plants guide by "MYNAMESTITCH":
"Too much Phosphorus levels affect plant growth by suppressing the uptake of: Iron, potassium and Zinc, potentially causing deficiency symptoms of these nutrients to occur def in plants. A Zinc deficiency is most common under excessive phosphorus conditions,
As well as causing other nutrients to have absorption troubles like zinc and copper. Phosphorus fluctuates when concentrated and combined with calcium"
"When you have too much Potassium in your soil, it can lead to big troubles, like salt damage and acid fixation of the root system, as well as too much potassium can cause a calcium deficiency. Your fan leaves will show like a light to a dark yellow to whitish color in between the veins. Due to a molecular imbalance, potassium toxicity can cause a reduced uptake and lead to the deficiencies of Mg, and in some cases, Ca. Also leads to the other nutrients to not be absorbed properly leading to lots of other deficiency such as: magnesium, manganese, zinc and iron and can cause problems with calcium as well."
You definitely seem to have some micro-nute deficiency most likely caused by over use of PH adjuster or the Cal Mag.
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I got a old friend of mine who went to the Dam for the Cup the other week and guess who's strains he is excited about smoking . . . yours kudos bro. Finally got him on the computer and he swears that you have more of the elite strains than they had in the Dam, I told him to hold on for the ride of a lifetime, we are stepping into the never neverland Wormhole! Not many stand up guys in the game nowadays and CF is clearly a nobel individual; I know to some of those it may seem as though I come off as mushy but please understand I have come along way in this game and have seen many many different angles and when you understand the climate of the marketplace and the wolves/businessmen that dwell in it you can truly appreciate what this man is doing and has done. Strictly Karma 
I remember when they were 50cents and cases cost $25 at CVS now the prices sure have rose I guess inflation lol I never got into the Honey Dutches-Chocolate Dutches-Greenleaf Dutches 
and so on those to me were only good for smoking mid or reg but not good quality bud. Why flavor the cigar when the point is to try and taste and critique the herb 
? but maybe I am in the minority and I respect every ones opinion. I like the cigar to be as plain as possible to truly enjoy the herb for what it is worth 
and palatable and I ask what herb is this? and they reply "oh its the Grape Dutch" 
doooooogh! If it needs to be flavored I dont want to smoke it thats just me 
It is funny when growers have a messed up or not up to palate harvest and when they smoke it around their other grow friends they only pull out flavored cigars/papers to mask their mistakes even if they know the rules and when confronted they state "thats all they had at the store" lol 
but I was determined to smoke it with people even if they didnt know what they were smoking 
but hey most of those cats wouldn't care anyway 
Boy the good old days 
So I guess that is my story Have a High Frieday 
lol
