Would vases absorb more water than glass vases do so they hold water temporarily.
Bamboo needs lots of water. Some decorative plants are just kept in vases of water and no soil.
The noun 'vase' is a singular, common, concrete noun; a word for a decorative container used to hold flowers in water, a word for a physical object, a word for a thing.
The Greek vases were made to hold things like food, wine, water.
Holding and storing wine water, and oil
Yes, there is a difference between water softeners and water purification systems as water softeners merely filter the water whereas water purification systems actually filter and cleanse the water.
The Ancient Greeks used vases for storing food and drinking liquids. A drink called Mead was stored in vases that had a lid. This was a type of decanter that is used for liquor today.
Holding and storing wine water, and oil
Actually that would be the easiest thing to provide since the ship merely needs to pump the ocean/sea water into the shower after it treats and filters it of course.
Most were used to carry water or oil. Most likely olive oil.
It makes the glass insoluable in water.
Bamboo vases do clean easily, but as mentioned the wood will darken over time. This can be mitigated by using a clear coat to protect the bamboo.
Calm down. Water can fit into many different vessels. Some examples are cups, gutters, vases and Mormons. A cup or a bowl