i ALSO AM HAVING TROUBLE WITH W.WIDOW... GROWING WELL BUT SHOWING CURLING UP ON THE EDGES AND YELLOWING LEAVES. TESTED SOIL PH @ 6.8 .THE PLANT IS A SEEDLING 2 WEEKS OLD ,,I THINK TO EARLY TO ADD NUTES. NOT OVER WATERED. I HAVE IT UNDER 1000 WAT M.H. 20" AWAY. TEMP 90F UNDER LAMP. TO HOT?