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#1
09-23-2008, 02:36 AM
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Quote:
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System: 30 gal, various soft and LPS coral. 3 powerheads, 96 watt light, backpack skimmer and a 1/13 HP cooler, running overtime. 1 anorexic Fuzzy Lionfish. 
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#2
09-23-2008, 02:59 AM
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250w DE on a 25 Gal and I had to run a chiller fans would not cut it on my tank.
Mostly SPS and there is such a thing as too much light at least on my tank. 
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150 Gal system 3'x3' 400W M/H, Bekett skimmer, Dart return,1/4 HP Chiller 180 Gal Drop tank, LED lights, Bubble master 250 skimmer,Hammerhead on a closed loop, Speed wave return.
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#3
09-23-2008, 03:04 AM
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hmm. I was hoping to put my chiller away soon... I guess to could elevate the light. I just don't want to buy something sub-par, I have done so in the past. I really want to do MH, but if it gets too hot I may have to consider alternatives.
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System: 30 gal, various soft and LPS coral. 3 powerheads, 96 watt light, backpack skimmer and a 1/13 HP cooler, running overtime. 1 anorexic Fuzzy Lionfish.
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#4
09-23-2008, 04:03 AM
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I have a 30 gallon, 30 inches long, and 18 inches deep as well. I am running a 250 MH DE Phoenix 14k. I got pc actinics too but i am switching those out for T5 KZ Fijii Purples. i also do not have a sump. My tank is in my basement and i do not have any problems with heat. I only have a few SPS corals but they are all doing well and growing and have nice color. i got my fixture off of ebay and just switched out the bulbs, because i had a very hard time finding a fixture to fit a 30 in long tank.
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#5
09-23-2008, 04:20 AM
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If you go with a single 250w MH pendant then you have the option of setting the height to help your corals and also to regulate your heat a little. Also you can upgrade in the future to a larger tank and just add 1 or 2 more pendants.
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#6
09-23-2008, 01:55 PM
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At 18" deep I would recommend 250w. I've done 400w on tanks about that depth or shallower, and in the end it took longer for SPS to acclimate to the light, and was more expensive to run. It was also quite warm both for the tank and the room itself.
A good quality reflector will take you further then a less good reflector with the same bulb & ballast set up. At 30" wide (I am assuming) you could get away with one bulb and a good reflector, e.g. luminarc mini + bulb & ballast of your choice. However you mentioned wanting to go with an all in one set up, and I don't know enough about them to comment.
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#7
09-24-2008, 07:46 AM
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Thanks for all of your input guys. I did some thinking on the wattage, heat etc and my focus as turned to this item I found at J&L
Coralife AquaLight Pro Metal Halide HQI Clamp-On Pendant - 1 x 150W It's height is somewhat adjustable, clamps on easy and you can add more if you chose. i could buy 3 of these bad boys for the price of a 250w MH & PC canopy by Hamilton or PFO. One more question remains though.. Is the intensity and effectiveness of multiple lamps be different (better/not better) than one big lamp?
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System: 30 gal, various soft and LPS coral. 3 powerheads, 96 watt light, backpack skimmer and a 1/13 HP cooler, running overtime. 1 anorexic Fuzzy Lionfish.
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