I also herd co2 during the last stages of flowering can greatly reduce your taste and smell.Any1 else ever herd this?I've stopped my nutes and i am only giving them sweet ph level of 5.8 every day i've also reduced my watering to two ebb and flow floods a day my temp at night gets to be about 60 and during the day i keep it at72 i got great temps and low humidity.i just changed out my 150 watt hps and 400 watt hps with two hoods to a one hood with two 400 watt hps bulbs i think the lumen increase will show results tomarrow i'm only in a 18 in by 24in tray with mylar so i didnt need the extra light but want to see the results.any advice???