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Old 03-18-2015, 03:01 PM   #1
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Advice needed on cracked bottom

My bottom has a crack

I have a 150g tank - 48x24x30
I started to put water in it and the bottom glass cracked near the center from front to back and water is slowly leaking through it

You can feel ridge along the crack

So how to fix

Removing bottom panel is a lot of work and its 1/2" thick so expensive to get new glass

I was thinking could I sandwich the 1/2" cracked glass between two 1/4" glass pieces

1 piece I would silicon to the bottom of the broken piece and would be same dimensions of the bottom - ie 48x24
The other piece I would place inside the tank and silicon ontop of the broken piece - this would be about 1" smaller in order to fit inside

Effecticely saving me from removing the broken piece and risking damage to the sides, cheaper as 1/4" glass is cheap

Would this be a good solution, would it work?

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Old 03-18-2015, 07:07 PM   #2
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Solution: throw the old tank away and buy a new one, or remove and replace the bottom glass. If the 1/2 glass is broken (i.e. ridges and leaking), 1/4" glass isn't going to fix your problem.

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Old 03-19-2015, 10:40 AM   #3
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replace the bottom my friend.
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Old 03-19-2015, 03:41 PM   #4
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That tank can be fixed with a patch. The question is, why did it break? If the entire bottom is supported, a patch inside will do. Alternatively, with the bottom supported a piece can be added that covers the entire bottom. The local big Al's has a 780 gallon tank with a repaired bottom, that has been holding water for years.
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advice, bottom, crack

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