H hiki0921 Active Member Apr 22, 2008 #1 I am just curios how much of a diff. is a 400 watt hps going to make on my electric bill compared to 8 Cfls (4 100 watt equivalent and 4 60 watt equivalent)? THX
I am just curios how much of a diff. is a 400 watt hps going to make on my electric bill compared to 8 Cfls (4 100 watt equivalent and 4 60 watt equivalent)? THX