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Old 05-20-2005, 04:46 AM   #1
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is any old perspex ok for aquariums?

is any old perspex ok for aquariums? or is some perspex toxic?
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Old 05-29-2005, 10:10 PM   #2
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Im going out on a limb here and ask.. what is perspex?
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Old 05-29-2005, 10:20 PM   #3
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Its chemical name is "polymethylmethacrylate" (PMMA). It is manufactured under other names too. Plexiglas, Lucite, Acrylite, Rhoplex, and Oroglas.

I know what it is, but I don't know if any is toxic. Plexiglas and Acrylite is ok though.
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Old 05-29-2005, 10:26 PM   #4
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I went looking for you and this is what I found.

The spontaneous combustion of acrylic is between 850 degree F and 869 degree F. I hope that your fish never see this.

And, PERSPEX: polymerised perspex is not hazardous except that sharp edges produced by sawing may cause abrasions to unprotected skin. Perspex dust or beads produced through sanding, filing or drilling are hazardous. Loose beads of perspex make floors very slippery. Inhaling fine dust causes the development of pulmonary granulomas. The dust can scratch and irritate eyes.

HTH
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Old 06-04-2005, 05:53 AM   #5
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thx sorry about my late reply. I didnt think anyone was guna reply till sumone posted what perspex wuz. I think i'll just try and c wot happens.
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Old 06-05-2005, 01:58 AM   #6
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It sounds like it will work...
I thought maybe I could ask and see if I could help after the answer.. if its just another name for plexiglass then it should be fine....
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Old 06-05-2005, 02:10 AM   #7
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yeh its plexiglass. Duno y they call it that, its not glass is it?? I'm thinkin of making like a shelf inside my tank. I have yabbies and fish in the same tank and i thought that the shelf could have plants and gravel on it so the fish could sleep there without the yabbies tyrin to eat them.
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Old 06-05-2005, 02:17 AM   #8
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It is cell cast acrylic... not glass.. more of a usually clear plastic type material....
Is the tank glass? if so there isnt really a good way of securing acrylic to glass.. it sounds like you could use rocks to make a shelf though.. Im guessing your fish are smaller than your yabbies.. if so just make it were the yabbies dont fit through the cracks of the rocks and the fish do.. Am I understanding your problem your trying to solve?? are yabbies some type of crayfish?
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Old 06-06-2005, 04:52 AM   #9
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yeh yabbies r crayfish. That sounds like a good idea but i was going to suspend it halfway up the tank so that the yabbies would still have the whole length of the tank to walk around in. I was just going to hang it with something because i dont want to drain my tank to glue it. Although maybye your idea wuld b better. I rekon the yabbies would just swim up there and eat the plants anyway lol maybye i could make it like a mini tank inside the other one with little enterances for the fish. May aswell just get another tank
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