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View Poll Results: Glass or Plexi Lids and doors?
Glass lid/door 10 100.00%
Plexi lid/door 0 0%
Voters: 10. You may not vote on this poll

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Old 03-11-2007, 03:53 AM
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Default How to fix these warping plexi lids

this one just got put on last night but I know it'll soon warp like the old one next to it. What can I do to keep these lids straight? It's really bringing down my humidity.

This is the new one


Here's the old one which is a bit more warped


I thought about plastic piano hinge for the hinge and maybe plastic srews and wing nuts for the corners of the front to keep it down. Is there a type of clamp that might work?
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Old 03-11-2007, 04:01 AM
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My only is advise is to use glass or really thick plexi. We have an acrylic cube and there is nothing we can do to keep it from warping. I could be wrong. Good luck!
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Old 03-11-2007, 04:15 AM
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i usually flip mine everytime i feed my frogs plus i have some sort of weight on it like a rock.
there is an acrylic called cold cast or something like that doesnt warp too much. i think it is the same stuff that fca ( sorry if i got the name wrong) uses for the acrylic tanks that he sells
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Old 03-11-2007, 04:31 AM
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I bought some relatively thick acrylic from HD to cover a 30 gallon and it warped in under a week. I hate to say it, but aside from the flip it every day idea (which is definitely worth a shot) you'll have to replace it with glass or better quality acrylic. I know Mike (Defaced) has posted that the only acrylic that'll work is cell cast, I think...
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Old 03-11-2007, 05:12 AM
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Yea I've posted that, but that's second hand info. I've never worked with it first hand so I can't give much more info. I've seen stuff that was supposedly cell cast warp horribly, so that means one of two things: cell cast warps OR this stuff wasn't cell cast...

I voted for glass. If you're willing to have a few tries at it to practice, it's surprisingly easy to drill and cut. It's not for everyone, but 40 bucks in tools will let you do about anything you'll need to do with glass in regards to tank building.



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Old 03-11-2007, 06:00 AM
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Thickness is not the answer, and I doubt spending more on cell cast will help significantly either.
The solution is bracing.
On my solacryl tops, I cut 1" strips, and bond them all around the perimeter of the lighting panel, forming a tray, And they dont warp.
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Old 03-12-2007, 12:08 AM
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yeah, I guess I see a lot of tanks that seem to be constructed from acrylic and they look so clean and smooth, and straight. I just had to replace an acrylic tank that was braced with 1/2'' vertical strips along the under side of the whole top. I'm going to check into glass.
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