Skipper,
I had no idea there was a difference, I had to look it up on the web. It
appears that it was Bioluminescence, because it was the agitation from
flushing the toilet that was causing the glow. See definition below.

Bioluminescence is a subset of chemiluminescence, where the light-producing
chemical reaction occurs inside an organism

"Skipper" wrote in message
...
Sir Rodney Smithers wrote:

The first time I went sailing at night, and used the head, I could not
believe how the Phosphorescence would light up the toilet when flushed.
Sort of a mini fireworks show.

Was that phosphorescence or bileluminescence?

--
Skipper