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Old 04-17-2011, 10:57 AM   #1
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How much space between plexiglass and glass for baffles?

Hey everyone,

Currently building my own sump. I read somewhere to cut the plexiglass an 8th of a inch less width wise to give you wiggle room to silicone the baffles. Well I did this and applied a little pressure to get it sit perfectly straight and the 20g tank shattered. Any ideas on how to do this properly?

Thanks,
Dave
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Old 04-17-2011, 11:58 AM   #2
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If you had to apply pressure to get it to sit straight then it was not 1/8" less than the inside width.
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Old 04-17-2011, 04:52 PM   #3
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Sounds like it was an eighth larger.
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Old 04-17-2011, 06:28 PM   #4
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Yeah. I found a very small piece sticking out a little bit. After several failed attempts of cutting the plexiglass 100% perfectly, I found a place that would do it. They cut it perfectly, I just had to sand the sides down just a tiny bit to get a better fit. Waiting for it to dry now, may have used a bit too much silicone but I'd imagine its better then not using enough.
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Old 04-19-2011, 12:59 PM   #5
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Plexiglas can be scored and snapped much like glass.
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Old 04-19-2011, 10:40 PM   #6
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yupp with a strait edge and a sharp utility knife you can do alot of neat things with plexi glass too with a blow torch and claps you can bend it to make your own bow front too Ive bent it to make two end tables for our bedroom
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Old 04-29-2011, 02:02 PM   #7
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A heat gun IMHO is much better for getting curves from acrylic
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Old 05-02-2011, 01:21 AM   #8
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you have to be careful how fast you heat it up though or bubbles will form.
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