i think fdd started his account and made his post count at like 40K. kevin murphy is certain to pass him been a member 5 mos already has 4800 posts..lol
generally when they arent drinking there is a root problem. next watering give them a watering with h202 , about 2 tsp to a gal. it will kill all the microbs in the soil, but it will also kill the funk too.
Get a 600 dimmable ballast. Cut it back as required, then in the colder months you can run the 600 wide open. Also try running your light at night to help with the heat issues. Dimmable 600 will provide you more flexibility.