I have 12 blue cheese which were in small pots all were lush grn i transfered to 10 litre pots fed as normal ec 1.6 ph 6.3 after a few days they started to go lime grn and some went yellow these are still in veg cant think wat i have done wrong any advice would be appreciated i know there are loads of reasons for yellowing just hope some one has got the answer also they are sitting up proud so i am a bit confused to what it could possibly be 
