gel like substans in barrel with kemsol degreaser

I use kemsol degreaser from Knobloch to degreas my skins. Now I have noticed a gel like substance floating in my barrel degreaser.
Is there anyone familiar with this. Wat it will do to my skins and will it still degrease?
Thanks in advance,
Ron

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Sounds like grease.

Skim it off, I think its the degreaser working.