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Old 08-11-2012, 05:00 PM   #1
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What size bulb (watt) would you recommend for a 30g 30inch sea clear acrylic tank? I was thinking a 150w MH pendant lamp. I usually use LEDs, but wanted to try a MH lamp. Heard you can achieve better colors.
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Old 08-11-2012, 06:22 PM   #2
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Mh are typically used for a 2'X2 surface area, the depth of the water as well as the inhabitants determines wattage. So how high is the tank?
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Old 08-11-2012, 06:49 PM   #3
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The tank is 18 inchs high. 16inchs minus the sandbed.
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Old 08-11-2012, 07:06 PM   #4
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I would go with a 150 or 175 watt to start, keepin in mind the outer edges of the tank will need lower light corals.
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Old 08-13-2012, 10:14 AM   #5
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Quote:
Originally Posted by reefrunner69
I would go with a 150 or 175 watt to start, keepin in mind the outer edges of the tank will need lower light corals.
I use two 250w halides on my 55 18" deep sps dominant but there are some lps great results
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Old 08-13-2012, 10:16 AM   #6
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And I have a 250w on a 20 long, doesn't mean I would recommend others do it. That's also why I said to start
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Old 08-13-2012, 10:27 AM   #7
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Quote:
Originally Posted by reefrunner69
And I have a 250w on a 20 long, doesn't mean I would recommend others do it. That's also why I said to start
Why would you not reccomend them if your using them? Just my opinion id go bigger maybe start the light higher above aquarium then gradually lower them unless you have money to keep upgrading lights ive never had any issues with to much light
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Old 08-13-2012, 10:30 AM   #8
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This is the kit I was thinking. I had and LED setup on another tank and pretty much bleached a lot of corals, so for this new tank, I wanted to try something deferent.

http://www.aquatraders.com/24-inch-M...em-p/54243.htm
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Old 08-13-2012, 10:36 AM   #9
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Quote:
Originally Posted by Readingexcalibur
This is the kit I was thinking. I had and LED setup on another tank and pretty much bleached a lot of corals, so for this new tank, I wanted to try something deferent.

http://www.aquatraders.com/24-inch-M...em-p/54243.htm
I use their fixture also but i did upgrade from the odyssea bulb to a phoenix 14k and ive read that they upgrade their ballasts in last couple years
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Old 08-13-2012, 10:38 AM   #10
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Quote:
Originally Posted by danbstrong

Why would you not reccomend them if your using them?
Because what I recommended is the appropriate size, without knowing how well they maintain their tanks, or if they are already having nuisance algae issues it would be irresponsible of me to recommend overkill.

I had great success with a 175w mh over this tank and upgraded so I could ensure that the amount of light on my tank would not be a limiting factor.
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