If you use the 24 as is P/C lighting and with a decient 100 watt heater depending on your K.W Hr. charge I'd guess its like 30.00 a month to run and operate the little tank.. Now if you go up to M/H then cha ching the cost goes up and you will need a pic chiller to keep it cooled down.. _________ Some of the world's greatest feats were accomplished by people not smart enough to know they were impossible (Doug Larson) |