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Heat emitted from Lights


keetkeet
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Hi, just want to see what kind of opinions you guys have, from your experiences using lights for your tank.

Comparing:

(I) 01 x 150W MH Light

(II) 04 x T5 (39W) Lights

1 MH lights has 150W of heat, and 4 T5 (39W) gives off 156W.

Does this mean that the tank receives an equal amount of heat? And for that matter, what happens if it is 06xT5s?

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  • SRC Member

I dun think its equal. MH gives out much more heat.

Wattage is not a measure of heat. I think..

Why do we use "My 2 cents worth" when 1 cents are not legal tender in Singapore anymore? Shouldn't it be 5 cents worth?

"Its easier to blame the 'mantis' or crabs in the tank for missing & dead livestocks.."

http://arcanehacker.blogspot.com/

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Pls correct me if I made a mistake:

the wattage is the power drawn. As T5s are more efficient, energy converted to heat is much less. The wattage is just for you to calculate how much electricity u using. 150w MH cannot compare with 150W T5 in terms of either heat generated or penetrative power. Even though T5's are more efficient, MH does reach better depths.

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  • 1 month later...
  • SRC Member

used to be using 150 MH ...now using 4 x t5s....

heat generated from the former is hot enough to burn your hands if u touch the equipment after half and hour or so...

hardly any pain due to heat at all handling the t5s...after hours and hours of operating

hope that helps..

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