do i need 2 bulbs?

[Mick177]

am i going to need two bulbs for reassurance or do they generally go the whole cycle?

[dazedandcontributing]

do you mean are you going to need to replace a bulb cause thats a maybe but if you mean do u need more then one light your gonna have to give more detail and i hope your not growing with a 60w house bulb ill post back when you post