P Playdope Advanced Reefer Rating - 0% 0 0 0 Jul 6, 2006 #1 Can someone fill me in on about how significantly an electric bill would vary between using 400+ watts of t5 vs. the same ammount of light using metal halide. Would you also let me know the approximate price differential? Thank you for your help.
Can someone fill me in on about how significantly an electric bill would vary between using 400+ watts of t5 vs. the same ammount of light using metal halide. Would you also let me know the approximate price differential? Thank you for your help.
A Anonymous Guest Rating - 0% 0 0 0 Jul 6, 2006 #2 IIRC 400 watt of light will cost about the same in electricity. The only thing that would make a difference if the effency of the ballast.
IIRC 400 watt of light will cost about the same in electricity. The only thing that would make a difference if the effency of the ballast.