Quote Originally Posted by postmandave
There is a thread on hear somewere and the dude had grw blueberry numerous times and he put down ppm for nutes soil and hydro and im sure he never went over 400 ppm in soil grows thats how sensative blueberry can be but its well worth the effort and is meant to be up there with the best. be safe the postman
yea i was feeding them 600 ppm and they were still over fed! mad.