Tank bottom cracked, help wanted

[Hoplo]

I have had a tank sitting empty on my deck for the last while, and today while I was getting ready to move it inside to set up I noticed it was cracked.

I am so annoyed.

I just want some advice. Would it be better to replace the whole bottom, or could I get away with siliconing a piece of glass over the top of the crack?

The tank is 900L I am a bit more worried/cautious about just using a piece of glass siliconed over the top, as I don't want that just water spilling out into my room.

Would any piece of glass siliconed over it be enough, or should I use a thinker bit for the strength?

 

[that_fish_Guy]

On a small tank a quick pane of glass over it with silicone would work . It has worked for me in the past but on such a big tank I would just replace the whole thing if I were you


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[fwprawn]

Whenever a tank cracks - it goes. It's just a rule of thumb for me. It just isn't worth it - not to mention risky, and ugly...

Given your location - if this tank size is pretty impossible to get, then I would spend the money to have a new bottom professionally put on. (Glass shop?)

 

[Daonni]

^ This.
That's a lot of water. Sucks to do the work, but you will sleep a lot better.

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[duanes]

I put a pane of glass over the bottom when I repair those kind of cracks.
The piece should be large enough to go front to back, and long enough to cover wherever the crack could spread.
I repaired this cracked tank bottom that way.

same tank, after repair

 

[fwprawn]

That is a scary tank. I definitely wouldn't sleep well at night

 

[Bderick67]

That is a scary tank. I definitely wouldn't sleep well at night

This is what you want to avoid. The tank can be effectively repaired in the manner presented. But if you have no confidence in it, then its not worth having.