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View Full Version : This might be a dumb question...


ilikemyusername
12/02/2012, 08:23 PM
If I have 1 lamp at 900 lumens and add a second lamp at 900 lumens, does that give me a total of 1800 lumens or is it just 2 lamps at 900 lumens?
Obviously common sense dictates that 9 plus 9 is 18, but light is intangible.

Psirex
12/02/2012, 10:29 PM
1800 total. i say this thinking about total wattage with bulbs over a tank if you have 8x54w T5s you have a total of 432 watts...