KK,its a knockout stone with a great taste,although almost all of my grows involve a White strain....you dont make it easy on a person.lol Seriously,if I had the choice,the KK.
mylar costs around 35 a roll,and if you added a couple more cfl's,the heat wont increase that much,maybe more air?A bigger fan,I dunno,just throwin shit out there.
you could also use a HPS/MH switchable system,since you only have the one plant,and just switch between the bulbs,increasing the size and the yield,by going MH to veg and HPS to flower.
a 250 to 400 watt system works well in most closet situations of a rough space of 2'x4',as long as you can ventilate the light,which is another consideration,as my fan cost me 180 beans...
it could triple in size,sure.weeks 4-6 they fiil out,7-whatever,they fill IN,cramming the plant with as many calyxs as possible to collect the pollen thats not coming.