Hey guys i have a question and need some helpy reaper pepper and other peppers are not doing well they have dropped almost all there leaves some were very nice and green some were yellow and now so have what looks like burnt tips and shriveled in words i keep my indoor grow ar temp of 68 at low and 80 to 85 high i use an hps for bloom and mh for veg ar 900 watt i have a fan for air movement and ph test my food i use tigger bloom and cal mag when need to amd feed at ph 6.5 this problem has them looking like they are just sticks would appreciate any help thanks