Small bubble in silicone - case of concern or no?

maboleth

Member
Joined
5 Jan 2014
Messages
74
Location
Serbia
During my routine tank inspection, I've noticed a very small vacuum bubble in the silicone layer. It's 0.8 mm width and about 1.1mm length. Glass is 10mm and silicone thickness is 13mm.

Extreme closeup macro images:

silikon2.jpg


silikon1.jpg


Should this cause any concern in the future? Tank is doing fine, entering the 6th year.
 
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