Air in silicone. Do I need to drain?

[LouD82]

I've been watching this problem for awhile now and I really can't tell if it's getting worse or just in my imagination. Anyway, as seasoned experts in tank maintenance, I wondered if the community would be willing to give me their opinion on how concerned I should be, if at all, about the air that is appearing in one corner of the tank silicone.

Any thoughts on whether this should be cause for alarm or draining the tank? It's been like this for quite awhile - I'd say several months to a year. Thanks in advance!

 

[hijinks7]

No that looks fine as long as it isn't growing.

 

[LouD82]

Great, thanks. I'll keep a close eye on it to make sure it isn't growing.

 

[Luisreef]

No your fine.

 

[lapin]

Now that you have a picture be sure to take another in a week or so. That way you can compare the 2 side by side.