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Old 06-04-2010, 06:14 PM   #181
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I would have to look it up. I kept my 250s about 15" off the water and that was over 24" of water. I just see you having heat issues with it that close.
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Old 06-04-2010, 06:16 PM   #182
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Yeah.. i just edited my post a second ago. The water temp is at 84 degrees now. So i think i'm definitely going to have to raise it a couple inches. Think i'll still be able to have my zoas and LPS all the way at the bottom if i raise the light a bit?
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Old 06-04-2010, 06:17 PM   #183
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You should be just fine with that light over that tank at any depth. I would go at the minimum 8" off water, that HQI will generate a lot of heat even with venting on top.
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Old 06-04-2010, 06:25 PM   #184
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Alright awesome. Gonna raise it to that height, and then i might put together a DIY fan setup. Got two brand new 120mm PC fans laying around the i'm sure i could convert to a regular outlet plug. just a little cutting, wire stripping and soldering and it should be good to go. Whatdya think?

Nevermind... doing something like that would make the fans explode lol.
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Old 06-05-2010, 03:42 AM   #185
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You can use an old cell phone charger to wire in the fans. They should be DC current if i recall correctly.
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Old 06-05-2010, 11:02 AM   #186
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Nice pendant Kev. I dunno why but your tank looks taller than it does long to me.
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Old 06-05-2010, 02:34 PM   #187
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Yeah i agree Mitch.. doesn't look like a cube in the pictures. It does in person though.. I blame the camera.. :p

redneckgearhead, thanks a ton actually. I was looking for something that maybe had a transformer or some kind of adapter, but using a phone charger would make my life a heck of a lot easier lol. I'll see if it works. Thanks again.
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Old 06-05-2010, 03:15 PM   #188
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Dont use a battery charger to run fans. I am assuming your fans will require 12VDC and 200mA or so. You can get a "wallwort" at radioshack that will work just fine.

Battery chargers are designed to work in a much different manor than a power supply. They have a circuit meant to detect charging and charging progress, they arent a simply step down xfmr with a rectifier and filter.

Find the operating voltage of your fans and how much current they draw, then match them up to a plug in wall transformer from radioshack. Very, very easy!

Matt
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Old 06-05-2010, 04:11 PM   #189
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Quote:
Originally Posted by mrg02d View Post
Dont use a battery charger to run fans. I am assuming your fans will require 12VDC and 200mA or so. You can get a "wallwort" at radioshack that will work just fine.

Battery chargers are designed to work in a much different manor than a power supply. They have a circuit meant to detect charging and charging progress, they arent a simply step down xfmr with a rectifier and filter.

Find the operating voltage of your fans and how much current they draw, then match them up to a plug in wall transformer from radioshack. Very, very easy!

Matt
Ive used them countless times for various "projects". Matt may be right but they have never seemed to mind what i hooked up to them. They have always worked and been very reliable. Just my experience.
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Old 06-05-2010, 07:32 PM   #190
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Kevin, listen to Allen (Ziggy). He knows how to grow corals.

Too bad you couldn't go with an LED fixture. Since my switchover my tank stays at 79 all the time, my evaporation has decreased by half or more and I no longer need to run a fan. Big savings in the long run.

BTW, your tank looks great with that 20k. Can't wait to see it stocked.
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