Glowing Toilet Water!?

Location: Onboard Sérénité, Annapolis, Maryland, United States, North America
Altitude: 0.25 m

I answered nature’s call this morning before sunrise and got a surprise when I flushed – the water glowed! Marine heads flush into holding tanks using water from the ocean, or in my case the Chesapeake Bay. When I pumped the handle the water entering the bowl lit up like a Christmas tree. I tried to photograph my glowing bowl, but alas the glow was too faint to be recorded by my camera. After doing a little research I discovered the culprit was the bioluminescent microorganism Noctiluca (latin “Night Light”) native to our waters.

Photo of Noctiluca scintillans unica
Noctiluca scintillans unica

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