hi, i am new here. i will be growing northern lights indoor this year. my light is a 600 watt hps, my method is sea of green= one cola bud per 6 inch square container. i would like to try sensi, or nirvana for my northern light selection, however i do not know which is the best. can anyone give me just an estimate in grams ,per cola flowering at 10 - 12 inches. i am only asking for an estimate based on your well appreciated opinions, as well as which company , sensi or nirvana...... thank you for your time, mia