Started Feb 24 with 5, lost 1 on March 13 due to heat and lack of water... left with 4... (using bagseed)
When I started I was using 2 26W 6500k and 2 23W 2700k, temps around 85-94, watering every other day.
I have 3 fans on a 12V adapter (1 of the 3 is the exhaust), and 4th one on a 9V adapter.