
Caution they contain much foam.
And then when that's gone they become recording studios:
www.lightship95.com/
( , Mon 29 Jul 2019, 0:34, Reply)

Given how well they react with water vapour.
( , Mon 29 Jul 2019, 15:58, Reply)

rather than mechanical. I bet the whole lot would have fizzed away to nothing if splashed with a little lemon juice.
*Avoided the word solution
( , Tue 30 Jul 2019, 23:29, Reply)