that's not 'nute burn', folks ... Clue: no burnt leaf tips, that I can see ... I suspect calcium deficiency, you should be using about 10ml per gallon, your teaspoon is a bit light ... also, may be overwatering a bit, let the plant go thru wet/dry cycles ...
check here:
Revised: The Complete Guide To Sick Plants,pH and Pest Troubles - PlanetGanja.com

I agree with the Fox Farms fertilizer regimen, too ... my best plants have been with Fox Farm, soil and hydro ... (apologies if I missed something in the pics, am almost blind in right eye now ) ... good luck :thumbsup: