your plant never really showed any signs of nute burn it probably has a deficiency of some sort would suggest you quit flushing and when your soil drys out resume feeding and check your soil ph for a starting point, it may be to high or low and locking out some of the nutrients you might try adding epsom salt to your water to eliminate the possibility of mg deficiency.
unfortuantly there is many causes for a deficiency or nutrient lockout and no one is going to be able to look at a picture and tell you exactly what your problem is which is probably why no one has replied.
check out the grow faq for nutrient defficiencies
http://www.drugs-forum.com/growfaq/G...c%20Topics.htm