[Wet Thumb Forum]-Metal Halide lamp info - DIY Aquarium Projects - Aquatic Plant Central

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Old 08-16-2003, 06:00 AM   #1 (permalink)
 
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I want to get new a lighting system for my 46 gallon planted aquarium. I'm leaning more towards a metal halide lamp but dont know too much about them as far as specs and say what bulb to use etc. Basically whats best for my aquarium setup or what usually works best for othersis what im looking for.
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Old 08-16-2003, 06:00 AM   #2 (permalink)
 
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I want to get new a lighting system for my 46 gallon planted aquarium. I'm leaning more towards a metal halide lamp but dont know too much about them as far as specs and say what bulb to use etc. Basically whats best for my aquarium setup or what usually works best for othersis what im looking for.
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Old 08-16-2003, 08:57 AM   #3 (permalink)
 
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175w is the standard size for a metal halide. Its easy to get a 5400-6700k bulb for it.
175w/46g= 3.8wpg

You can get pendant or build it into a hood. The rpice has come down a lot on electronic ballast (as opposed to coils).

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Old 08-16-2003, 10:35 AM   #4 (permalink)
 
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I would be careful about the heat on a tank of that size the MH put off a good amount of heat. An electronic ballast will reduce the heat pretty significantly. I would probably recommend a pendant for that size tank so you can get a little distance between the bulb and the water to allow some air to disipate the heat.

PFO has some very nice DIY type stuff. Usually just requires assembly. I don't think they have an electronic ballast.
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Old 08-16-2003, 05:00 PM   #5 (permalink)
 
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thank a lot! This really helped me out a bunch
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Old 08-17-2003, 01:20 AM   #6 (permalink)
 
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For a good selection you can try Champion Lighting. Not that they are the cheapest but take a look a the different options then google yourself a deal.

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Old 08-17-2003, 04:54 AM   #7 (permalink)
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What is the dimension of the tank? MH doesn't work too well on a long and narrow tank

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Old 08-17-2003, 05:10 AM   #8 (permalink)
 
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My tank demensions are 36"x12" with a slight arch in the from of the tank.
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