Soak them in White Vinegar. Works better if warmed up to about 100* but stinks most well.
Most of the deposits look like calcium salts of some type.
That should clean them up well.
If that fails.
Muriatic Acid 10% will clean off the rest. This can etch glass if left too long. Being based on Hydrochloric acid it loves
to eat biological stuff! Like You!!!!!!! Gloves, Bib, and Stay up wind! Sold as Pool and concrete cleaners.
Used Wrong this stuff can and will HURT YOU!!!
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