Mercury vapor lights are cheap and give off a lot of light but a 100 watt high pressure sodium and 100 watt metal halide both give off more lumens than the mercury vapor light. Us the metal halide if you don't like the orange glow of high pressure sodium.
I was thinking one day a 100 watt HPS light 75.00 vs 175 MV 25.00 again both having about the same output. The cost to run the extra 75 watts for 10 hr a day at 10 cents a kilowatt hour is an extra 7.5 cents a day. Doesn't sound like much but it takes 667 days to make up the extra cost. These lights should run for 10 years with no problems so a 2 year payback and then 8 years of savings at 25.00 a year that adds up pretty well in my book.
I know my math is not perfect cause electric rates are slightly higher here and other places but it gives you an idea of the savings and think of the power company if 1000 customers saved 750 watts a day.
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Today's Featured Article - Usin Your Implements: Bucket Loader - by Curtis Von Fange. Introduction: Dad was raised during the depression years of the thirties. As a kid he worked part time on a farm in Kansas doing many of the manual chores. Some of the more successful farmers of that day had a new time saving device called a tractor. It increased the farm productivity and, in general, made life easier because more work could be done with this 'mechanical beast'. My dad dreamed that some day he would have his own tractor with every implement he could get. When he rea
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