05-07-2007, 07:13 PM
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I cannot imagine why your electric bill would triple, unless you were being sarcastic. My 500w of halide at 6 hours a day is hardly noticeable on my electric bill. It's simple math. Adding 3x 250w of halide will not triple anything. It's a matter of 750w x6-8 hours a day. If used for 6 hours a day that totals 4,500w or 4.5KW. At my house a KW costs 11 cents before all the taxes and fees are added, when you look at the big picture a KW costs about 20 cents. So your electric bill would rise maybe $27 a month. Now that only can be if you had zero lights before hand. So lets assume you replace 300w of flouro with 750w of halide, your bill will only rise about $15 a month. This is fact. I've seen to many people quit on their lights because of something else like an electric dryer, heater, water heater, AC, etc... always blaming their lighting.
FYI, I have several tanks with powerful lighting. A 125g, a 75g, 2x 20g, 10, 30, and a 7g. This combined with our regular electric use amounts to $90 a month in the spring/fall and about $160 a month total in the summer with the AC running.