Water Film in Return Compartment

[hillegom]

I wonder if some of your plumbing or pumps had any oil on them, say just as a film.
You are correct to suck it out.

[WarDog]

You could try those oil absorbent sheets they use for spill clean up. Just cut to size and lay it on top of the water for several seconds.

[hillegom]

Originally Posted by WarDog

You could try those oil absorbent sheets they use for spill clean up. Just cut to size and lay it on top of the water for several seconds.

Three thumbs up