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Old 05-03-2006, 12:27 AM   #11
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thanks guys, but figures would be great, if some could meause the temp of the light in an enclosure small (canopy) and just throw a thermomerter in there for 10 mins and then post the findings,

I know they both would be extreamly hot to touch but which actully generates more heat around an area space is what i am after and how much more or less, does it create.

sorry to be a pain, but keep the replies comming that are all helpful.
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Old 05-03-2006, 12:42 AM   #12
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Wow... i never thought they would be that hot... I already get irritated by my 130W coralife light's heat when i clean the tank.
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Old 05-03-2006, 01:59 AM   #13
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FishFrik what do you use as you lighting then 130W would suggest maybe MH???
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Old 05-03-2006, 06:34 PM   #14
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FishFrik what do you use as you lighting then 130W would suggest maybe MH???
smallest MH is generally 150, 175. Prob VHO, T8?
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Old 05-03-2006, 11:01 PM   #15
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The temp change in the water would depend on several things; the type of MH 175, 250, 400 w; The size of the canopy; if you have fans in the canopy; and how far from the top of the water the lights are located, and how long they are on. If you plan on having a reef tank with only softies then VHOs would work fine. But if you plan on keeping SPS then I wouldn't go with anything less than MH IMO. Depending on the height and width of the tank you don't necessarily need 4 x 400w MHs. A friend of mine has a 55 gallon with one 175w MH and two VHOs and two actinics and his corals look great. Coral placement is also important. HTH?
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Old 05-04-2006, 02:25 AM   #16
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angelscrx that helps quite a bit, what i think i will do is there is 3 std Fluorescent vaurios colors, i think what i will do is i think i can get 2 more bulbs in the hood i will try to get 2 VHO and try and get about 4 fans above them to extract the heat, so in total i should have 5 bulbs, fingers crossed! I cant afford a chiller at the moment!
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