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#1
04-13-2006, 12:29 AM
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Bulb choice is very limited in 1000W halides. Plus bulbs are in the couple hundred dollar range each IIRC. If you were to go 1000W, why not just go 1500W
 
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32"x32"x20" Cube-ish tank 
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#2
04-13-2006, 02:35 AM
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It's not so much a matter of why not go with 1000W bulbs but why go with them when you can get away 250W. 250W bulbs are good up to about 24" deep when 400W or greater will be good for reaching depths 24" and greater. Too much light intensity on a shallow tank will bleach the corals for sure and will cost you a fortune in hydro not to mention the size of chiller you would need. It's just overkill, that's all. Why buy the 4X4 when you could ride a bike to work. Just my opinion.
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Jason
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#4
04-13-2006, 04:00 AM
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Bleaching is a problem, no question. That is a real reason NOT to go with the brighter bulb. Power, cost, heat, let's not bring that in. What's 'ideal'. Bulb choice is antoher good point. Will corals grow faster with more light though? I mean, yes they will, but does anyone know if they will grow faster under a 400 watt, vs a 250 watt, provided same tank conditions, same spectrum, and same depth (say 8 inches just so there is no confusion!)?
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_______________________________________ Have a good one!
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