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Thanks for all the suggested cleaners. These hints are very helpful.
I do try to remember to take advantage of wind and use fans if using chemical cleaners.
The fumes mostly stay inside the boat for us to breathe. We only get two lungs and two eyes per go around.

I have had great luck leaving liq. det. In bilge, and allowing time and motion to do the hard work. Also as mentioned, coat the areas and walk away for awhile.
Two cautions: detergent around mechanical, lubricated parts, may dissolve the oil or grease. Bleach, and a few other chemicals will attack metal. One comment was to the effect that bleach attacked everything but the inside of the bottle it came in. So leaving it in the bilge for any length of time might not be a great idea. Flush well!
Begin with the soft cleaners and get more agressive as needed.