Airsense 10 water tub - Standard vs Cleanable

SewTired wrote: Since I trouble you so much, please put me on your foe list.

as soon as you quit making dumb comments.

One mistake we might have overlooked is that tap water is different EVERYWHERE.
I lived on a ranch in the Sandhills where our water came from an artesian well.
It was incredibly soft and absolutely delicious.
The water that extrudes from my tap now is 13 grains--an old toilet tank looks like a limestone cave,
and water heaters go kaput in spite of diligent maintenance.

Are there any distinguishing marks on the lower part that identify C vs S....I seemed to have mixed upper parts and lower parts...the lower parts seem to weigh the same....thanks,

Edit....and a quick fill, shake and rinse with white distilled vinegar and all the tubs look spotless....thanks for that cleaning tip!