I have a dinafem auto-cheese which is in a 17 litre dwc with airstone ph 5.4 to 5.9 sometimes upto 6.2 then i bring it back down, EC is between 1.7 upto 2.3 highest she is 9 weeks old from seed she is under a 1000hps temps are 68min 80max cant seem to fix the cal MAG issues hence the 2.3 EC at times could she be root bound she has alot of bud sites that are taking a very long time to fill out http://youtu.be/uUTJd83K2Kg