Lap marks in amberized sealer

Q: I am in the middle of refinishing a 75 year old white oak parquet floor. The customer wanted the older yellowed look and opted for amberized sealer. While applying I noticed I left a large 10 inch path a few feet long where it wasn’t smoothed enough and now shows a line. I applied a second coat of amberized sealer and am waiting to see if it disappears by tomorrow morning.

If not, how do I get these huge lap marks out of a water base amberized sealer?

A: I’ve never used amberized water born sealer. I would call the manufacturer of the finish. However, especially being white oak, isn’t it possible the streak is a tannin reaction? I suspect you will have to scrape the mark out and try that spot again.

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