When you buy bottles at Fadandel.dk, they are of course at cask strength and neither coloured with caramel, cold-filtered. They are only subject to a rough mechanical filtration for distant wooden splinters etc. from the whisky. Thus, there may be small particles in the whisky, which is quite natural and quite harmless.
Whisky

Aberlour 31Y – 48.3%
Aged in cask for 31 years, this Aberlour has had a brief finish of 3 months before being bottled by(…)

Ardmore 12Y – 50.3%
After 12 years on the cask, Claxton’s has bottled this Ardmore, which has been given a finish on an Oloroso(…)