Bubbles in silicone?

[Visionist]

My 50g has been setup for a few days now, there are no leaks or anything. The larger set of bubbles has been there since I bought the tank and before I filled it. I never really noticed the bunch of tiny bubbles on the other pic but it is like this on all edges. Should I be concerned?


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[Brookster123]

Keep an eye on them, if they spread or expand drastically consider draining and resealing..

 

[Delapool]

Mine has a few tiny bubbles here and there. When I first got the tank, it was pretty much panic stations when I saw them but hasn't leaked or anything. I don't know what sort of sealant gets used but it must be strong stuff.

 

[BillD]

Some bubbles are not unusual. I have a 45 year old tank I built when I was a teen that is much worse than that. It still holds water. If the seams start to go, (not likely) resealing will not really help.