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AussieBen

Bubbles in silicone?

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AussieBen

So I’m breaking down my freshwater tank today and I notice these bubbles in the silicone sealant.

 

It’s a standard 20 long that I’ve had for 15 years or so.  Until today it’s been filled with freshwater most of the time and never had a leak.  These bubbles are soft and some of them I can squeeze water(?) out.

 

Any thoughts?

6BA2C8D9-7A99-4B31-974E-385140BD7FEB.jpeg

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seabass

I imagine it'll be fine.  It's the silicone between the panes that's most important.  However, you don't usually want to cut through the excess silicone either.

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Humblefish

Personally, I'd replace it next time Petco is running their $ per gallon sale.

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mcarroll

Hard to argue for accepting any degree of risk since replacement could be so cheap.....but the pressure on the seals on such a small tank is almost infinitesimal compared to the grip of that silicone.  Even compromised (assuing that's what the photo represents) it would be able to have lots of holding power.  I wouldn't call someone crazy for keeping such a tank or replacing it. 😉 

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AussieBen
On 9/10/2019 at 4:24 AM, mcarroll said:

I wouldn't call someone crazy for keeping such a tank

Good, because it’s cycling now!  😂

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