your right i do think the foliar might be the problem, The little brown 'spots' on the leaves, could these be burns form the spray ? could this be why the leaves feel crispy on this plant ?

The temps @ canopy are right around 80.

Im feeding

shultz african violet @1/2 strenght 8-14-9
Awessome bloosm @1/2 2-11-11
mollases 1 tbls
h202 1 tbls

all this is per gallon of water, every 3rd feed straight water.

Im at 5 weeks flower.