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Old 11-02-2004, 12:29 AM   #11
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What is Egg Crate
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Egg crate is what the industry uses to desribe those florecent light difusers that are composed of small 1" plastic squares.
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Ahhh, never heard this term for it before
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Old 11-04-2004, 02:14 PM   #12
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For a 24" long tank i would use a 2-65 watt coralife aqualight. That would be enough light for anything short of SPS an clams
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Old 11-08-2004, 06:32 PM   #13
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really? I have a hagan glass aquarium top, it has three panels, (120g tank) Is this not ok? I have a mangum, and two aquaclear 300 on the tank, and i have them sitting up a little to make as much breaking of the surface as possible. I also have 3 power heads, two at the bottom and one pointing up to ripple the surface. Is this going to be a problem? I have a glass top on my 33g marine tank, and havn't had any problems.
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Old 11-08-2004, 06:33 PM   #14
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oh ya, and what is egg crate?
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Old 11-08-2004, 06:41 PM   #15
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Eggcrate is sold at home depot in the lighting section. It's like a gride with square holes to allow for air circulation. I got mine in a 2x4 section and use it rather than the glass. My PH is more stable now than it ever was before. I bought it for $12.00. Great investment.

Mike
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Old 11-08-2004, 06:42 PM   #16
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suprafreek, maybe you didnt see saltysteves response at the top of this page. As he explains what egg crate is. You can find it at most home improvment stores. Where? Well seems like each store puts it in a different spot.

The suggestion about the glass top is because under higher output lighting the glass can really trap in the heat causing water temperature problems. The gas exchange is also limited as most people have the glass lids sealed fairly well and the net effect is reduced air flow in/out of the tank.
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Old 11-08-2004, 09:09 PM   #17
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ok, just want to make sure i understand, and this will be revelent cause i have some mh lights comming my way in the mail.....real hot as i understand, and could cause temp problems.....

so this egg crate is flat sheets of plastic that you put on the top of your aquarium? do you cut it to the size of your tank? can you set your lights on top of it, or do you mount your lights in your hood? is this something you can just lift off easily to do water changes? does anyone have a pic of their diy project of egg crate? thanks everyone
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Old 11-08-2004, 09:18 PM   #18
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Quote:
can you set your lights on top of it,
No. With hot lights like MH you woulnt want to sit the fixture on the eggcrate. The eggcrate is simply there to keep the 'jumpers' in the tank and to limit the chance of water splashing up onto the hot bulb and causing it to explode.

Egg crate woudl come off real easy. Just lift it off to do your maintance. You would want the MH bulbs to be at least 8" above the water surface anyway so the best thing to do is mount them inside a box canopy or suspend them above the tank.
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Old 11-08-2004, 10:15 PM   #19
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Nodoubt, what have you heard badly about the satellite. I just ordered one (dual 20" for my 10 gal) and your comment made me nervious.

Any info would be nice.
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Old 11-08-2004, 11:28 PM   #20
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As fishfreak said, you definitely want it to be a good distance above the water, especially if it is a retro. Mine is about 12 inches off of the water. It does get hot, but it has only warmed up my tank about a degree at best. It will most likely melt the eggcrate if you place it directly on it. Are you going to hang it under your canopy, or set it on the tank?

Mike
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