Thx for the in , i never thought of it that way,this only makes my 3 grow in side and it has been so long since my last one i forgot most i had learned from my mistakes lol.I'll let them get about 18 -2 foot then i,ll put them into veggie mode & see how the do,i know that the Big Budda chesse can make some huge buds from my summer grow,and it was worry free the whole summer.I'm also thinking about buying me a 600 watt light anyway i wish i had when i bought this one.Thx Again.