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Old 05-02-2006, 09:49 PM   #1
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lighting heat question?

guys what gets hotter VHO or Metal halides?

reason i ask is because i have a all on one system it currently has 3 lighting fixtures to suit std flouecent (spelling) which has 1 Actinic Blue, 1 50/50, 1 white However as you could imagine its not enough, all though the heat is minimal which is great.

another question now
should I just add another 2 std Fluorescent, blue and white, whould this be substancial? or should i bite the bullet and get VHO's? Metal halides i think may be to hard to creat into my fixture, but if they run alot lesser temprature i will have to find a way i suppose.

by the way the tank is reef.
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Old 05-02-2006, 09:54 PM   #2
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MH gets hotter, but worth it. As far as asking what you should add...That depends on what you plan to keep in the tank, and your budget.
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Old 05-02-2006, 09:54 PM   #3
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MH gets hotter, but worth it. As far as asking what you should add...That depends on what you plan to keep in the tank, and your budget.
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Old 05-02-2006, 09:55 PM   #4
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Metal Halides get hotter. I dont have any but friends that do say they get pretty warm. Water temps heat up also. But IMO for lighting purposes they are the best.
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Old 05-02-2006, 10:22 PM   #5
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does any one have any data sheets with what VHO heats up to compared to std Fluorescent and then the same for MH agaist std Fluorescent or VHO, just need to weigh up my options here and what i could possible do to give the best lighting with out a chiller....
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Old 05-02-2006, 10:29 PM   #6
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As you stated this is a reef tank so standard flourecent is out of the pics. No where near enough light. Sorry I dont have that info
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Old 05-02-2006, 10:36 PM   #7
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2revup, Brenden pretty much hit it on the head. Should really base lighting on whats going in the tank, what size tank and how deep it is. If your budget can include a chiller (running somewhere from $600 - ?????) then its really not an issue as far as heat goes. that is unless your dropping a couple 400w MH fixtures over a 20G long. Maybe post some of your thoughts on what you would like to keep and how big the tank will be.

Peace.
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Old 05-02-2006, 10:39 PM   #8
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****, if any one has this sort of info that would be great, or if anyone has a thermomter (im sure you all do) can you hold it up to your VHO and MH and get a reading and post temp that will give me a rough idea with what i am dealing with.
thanks for the help melosu58

thanks a million in advanced
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Old 05-02-2006, 11:41 PM   #9
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I can tell you if I bump the case of my MH sun replicator pendants it will burn your arm. Not blister it but you will jerk away like it did.
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Old 05-03-2006, 12:13 AM   #10
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Quote:
Originally Posted by Brenden
I can tell you if I bump the case of my MH sun replicator pendants it will burn your arm. Not blister it but you will jerk away like it did.
My VHO lights are hot like that. I have burned myself a few times,when cleaning
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