Infected bottles?

[Ianflean]

Hi,

Never seen this before... seems to be in a large amount of a big batch. Bottled from a lager tank using a counter pressure bottling machine 2.5 weeks ago. It doesn't come out with the beer, stays on the side of the bottle and at the moment tastes fine.

Any idea what it is?

Cheers!

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[flars]

Not too clear in the pictures what it may be. Could be just excess sediment and yeast. Is the level of carbonation what you expected? Unusually high carbonation might be the first sign of an infection. Tasting different from what you expected could be a sign that you have bottled a sour. If it tastes good drink it.