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Old 12/20/2002, 11:38 AM
SPasse SPasse is offline
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Join Date: Feb 2000
Location: Forney, Texas USA
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Dave,

There are a lot of variables including ambient temperature, thickness of the newly applied silicon, air flow etc.

But I am afraid to say that 24 hours might actually be a minimum.

Silicon “skins over� in an hour but has little strength until about the 24-hour mark. When I used to built tanks (large ones) I waited 7 days before filling the tanks as thick silicon seams take longer than 24 hours to fully cure.

Finally, I would identify the root cause of your leak. If parts of the seam are under undue stress or have other issues, you could be setting yourself up for a catastrophic seam failure. Surface applied silicon doesn’t add much to the strength of a seam.

How big of a tank are we talking about?

Regards,

Scott
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Scott
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Founding Member – Colorado Rocky Mountain Reef Club.