ive been using Flora Nova for vegi stage and am on the third week. plant is about 6 inch tall. The leafs on top and the ones before them are curling up from the sides like a taco. first time and fkn up. please help too, also i put flora nova grow on a 2 gallon Res- which was (1 tsp for early growth per gallon). i put 2tsp for 2 gall. 600 ppm each tsp. the light 4 inch from top (like green man said) and fan blowing towards them. only one one or two small yeloow spots on leafs. what can be causing this. please help