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03-03-2007, 05:28 PM #32Senior Member
Who's working with T5s
Both of the last two posts said that T5’s save electricity.
This is simply not true.
You will have to use Significantly more electricity to achieve the same illumination than with a HPS. As I said above the difference between a 400W HPS and 400W T5 is 12 000 Lumens. Thus you’d need to use more like a 550W T5 to equal a 400W HPS in Lumens. HPS is the cheapest light to Run.
As well a 400W HPS is Half the price of a T5 but you have to deal with heat.
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