Why need Fan

Im about to put my Aerogarden grow room together , i was wondering what the purpose of the Fan is ?

to strengthen stems

circulate the air, control temps...

idk think about it, prety self explanitory

doobiee said:

to strengthen stems

circulate the air, control temps...

idk think about it, pretty self explanatory

Click to expand...

^^^ this, a fan circulating air is one of the main essentials, just like light, water, nutes, etc...