The Planted Tank Forum - View Single Post - Evaporation cover for my tank
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Old 12-04-2012, 01:13 PM   #7
DogFish
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Super Cheap - Saran Wrap....Great for the fish room project tank.

DIY Cheap - Goodwill Picture Frame - Cut glass to size, them sand the cut edge with emery paper.

You need to get into 1/4" Lexan Acrylic to not have flex, and even that will flex if the unsupported length spans start going over 2".
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