Like i said, i was wondering about how much one 250 watt HPS/MH will cost a months?

depends how much power costs in your area. 15-50 dollar increase.

i doubt it would be as high as 50 bucks. as it would depending on how long you are running the lights.

you can run a 1000watter on 12/12 for around 45-60 bucks

wont cost much, i am running 3 1500 watt heaters with not much of a difference. along with washer, dryer, fridge, computer, tv's, 175 mh, cfl's with not much of a change.

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$35.00 at the max in my opinion.

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