I'm all about MH. I have 1250W of MH and will soon be supplementing with LED for night, dawn, disk lighting. A 1kMH will
Cost you per hour whatever your electric company charges you for a kWh. In Los Angeles, tier two consumers pay about $0.19 per kWh. Run your 1kW MH for and hour costs you $0.19 in electricity. Run it ten hours a day, that's less than $2 a day. I stopped eating breakfast and lunch at work everyday to easily save that and now I eat healthier because of it. I don't drink Charbucks but if you do, think how much a coffee there runs you. Thinking about going solar too which will be even better! #sustainablereef