hi guys this is my 1st post, im doing 10 big bang autos in soil with a 600hps in a room 1.5mitre square... i started them under a 250watt ecolight for the 1st week and have only just introduced them to the 600hps today, they are 2inch in size and look fine... just letting you guys no im here and if anyone has done these autos before some feedback would be great thanks...