Not me but..... i started my grow off with 4 100watt cfl..it waz growin very fast couple inches a day, i switched. To. Hps at 3. Weeks 2-3 feet away with 2 cfls on the sides to get a mixture. Of the sky nd the sun .... good ventilation, fan blowing constantly , temps-77-79 , humidity 30-50...but i think i figured my problem it mite b the ph of. The soil. Cause every. Time i water its 6.1-6.4 and comes out 5.7-.5.9... mite be a lock out.