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#1
02-08-2010, 07:56 AM
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this is my open top canopy :-D
   It was pretty simple to build. Great access on either side with swinging doors. My light actually sits on top of the canopy about 4 inches so there is a gap. I like it this way so that there is plenty of ventilation and I don't cook the tank. You can easily modify this so that your light is housed inside of it, or sit your light right on top of it with no gaps. 
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#2
02-08-2010, 01:19 PM
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How much light spill do you have with these open top styles? I want to enclose my MH's and get all the light possible into the tank. But fear the heat issues when I do. It's pretty stable now with no top, and fan blowing across.
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Dan Pesonen Umm, a tank or 5
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#3
02-08-2010, 06:00 PM
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No light spill for me. My pendants hang slightly lower than the top of the crown so all of the light is contained within the tank.
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"We shall dive down through black abysses... and in that lair of the Deep Ones we shall dwell amidst wonder and glory forever." - H.P. Lovecraft Old 120gal Tank Journal New 225gal Tank Journal May 2010 TOTM The 10th Annual Prince George Reef Tank Tour
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#4
02-09-2010, 12:30 AM
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Please feel free to learn from the errors of a Tank Lid first build ...
I did have the tank up and running for about 3 months before I put the lid on & I figure I'm only losing about 1/2 the water due to evaporation compared to Open top. This is the lid on my 45gal Display. Inside I've got a Coralife with 2 x 96w CF - there is a bit of a heat issue that I'm working on. The light has fans which I've vented, but there is still a heat issue - probably nothing like MH, though. If you build a tank cover, take my advice and unless you have a serious space issue don't attach the lights to the hinged lid. Great access, lots of room to get into the tank, but its really hard to see with all that light in your eyes at feeding time  With the Lid closed:  With the Lid open: 
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~ Vic ~ 75gal Reef 35 gal sump/fuge ~ about to move all to new condo! Ottawa Tank Build My 1st Reef Tank Build Last edited by vic622; 02-09-2010 at 12:37 AM.
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#5
02-10-2010, 02:31 AM
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I have been happy with this canopy. Due to some extreme heat from the halides we had to rout out the slots in the top significantly. We also added some vertical pieces of wood as light blockers on the end slots. The entire side flips up and I have no problem reaching my entire arm in to reach the bottom of the tank. The only complaint is that I can not use a pro scraper with a long handle since it hits the top of the canopy. So anything that the magnet can not take care of means a wet arm.
Patrick Last edited by PFisher; 05-08-2013 at 03:11 PM.
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