Cheaper Alternative to a Visit to the Seashore

Do without the flies and the drive.

How much salt is required to make a bath a saltwater bath?

One pint is 473 milliliters.
One cubic foot is 7.48 gallons.
The density of salt is 2.165 that of pure water.
The ocean is said to be 35 parts salt of every 1000 parts seawater [http://oceanplasma.org/documents/chemistry.html#Salinity].
Some bathtubs are about 6 cubic feet, which equates to about 45 gallons of water.

BathSalt2

Sounds like a lot. One gallon 2.5 quarts of salt for each bath?

The Dead Sea is said to be 9 times as salty as the ocean. 9 X 1.63 gallons of salt for one bath?

Still cheaper than flying.

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