Plywood Aquarium Viewing Panel

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chrispyness

Feeder Fish
Dec 13, 2025
1
0
1
27
Maine
Hello all,

Currently designing my first plywood aquarium project and not sure how to determine 1) the thickness of the glass viewing panel and, 2) whether or not I need a vertical center brace to support the glass. I would like the tank dimensions to be 8' L x 2 D x 3' T. I have 2" of wood to silicone the glass to around the top and down the sides, then 4" of wood on the bottom. The 4" is for greater support but also to hide most of the soil and sand substrate.

Any advice on how to calculate what thickness the glass needs to be or if I need a vertical center brace would be greatly appreciated!
 
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