aquarium lid buckling bad??? - The Planted Tank Forum
 
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post #1 of 12 (permalink) Old 08-13-2009, 07:03 PM Thread Starter
ajt
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aquarium lid buckling bad???

hi my neew aquarium has been up and running for around 1 month now and has a lid made from 5mm acrylic but is buckling bad any ideas for new lids or what to do as I have a light that needs to remain above a clear lid and is not waterproof so hoods are not really an option.
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Last edited by ajt; 08-13-2009 at 09:58 PM.
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post #2 of 12 (permalink) Old 08-13-2009, 07:05 PM
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Acrylic tends to warp in situations like that. Try a glass lid.

-Chris

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post #3 of 12 (permalink) Old 08-13-2009, 07:06 PM Thread Starter
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Question

any ideas what causes the acrylic to warp?


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Last edited by ajt; 08-13-2009 at 09:59 PM.
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post #4 of 12 (permalink) Old 08-13-2009, 07:09 PM
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any ideas what causes the acrylic to warp?
Moisture on one side of the sheet. I'm not sure why it doesn't do this on aquariums though Certain types of acrylic don't warp, but I forget which kind.

-Chris

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post #5 of 12 (permalink) Old 08-13-2009, 07:18 PM
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any ideas what causes the acrylic to warp?
heat, gravity, and probably moisture. you can try to reinforce it with more strips of acrylic but that might look ugly and be more work then its worth.
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post #6 of 12 (permalink) Old 08-13-2009, 07:20 PM
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Take it off of the aquarium and in a few hours it should be un-warped. Then you could reinforce it with strips of acrylic like jreich said.

-Chris

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post #7 of 12 (permalink) Old 08-13-2009, 07:25 PM
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I've seen metal halide lights warp the bracing on acrylic tanks. I think once it's warped it wont go back.

Any fans in the hood?

SteveU
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post #8 of 12 (permalink) Old 08-13-2009, 07:46 PM
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I've seen metal halide lights warp the bracing on acrylic tanks. I think once it's warped it wont go back.

Any fans in the hood?

SteveU
That was most likely due to heat. If it's warped from the moisture it will go back. I've had it happen to me before.

-Chris

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post #9 of 12 (permalink) Old 08-13-2009, 07:50 PM
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Acrylic warps from moisture?

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post #10 of 12 (permalink) Old 08-13-2009, 08:12 PM
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Acrylic warps from moisture?

SteveU
Yes, certain kinds do. I have a terrarium, and originally the front door was made of acrylic. I had to replace it with glass because it warped so bad. After 24 hours of being off the tank, the acrilic had returned to normal.

-Chris

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post #11 of 12 (permalink) Old 08-13-2009, 09:11 PM Thread Starter
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new idea

hi me again ive been thinking this lid in the picture I know its for a vivarium but would be perfect if the mesh is sealed/covered up and also it has a glass panel that is needed for my above tank lighting and it opens so should be ok for general feeding etc I will have to get it in the 16 X 8 size as my aquarium is clearseal like the lid so should fit perfectly any thoughts etc on my recent brainwave thanks
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post #12 of 12 (permalink) Old 08-14-2009, 03:59 AM
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I'm a chef and we use acrylic alot in our storage bins and from my experience if it gets to hot (depending on the brand and thickness) inevitably it either warps gets yellow or gets brittle or all of the above I'm not really sure if its a different blend or clarity in aquariums but in my experience acrylic always fails. IMO!
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