isolation tank
sensory deprivation tank

The ultimate comfortable place is an isolation tank, specifically designed to eliminate every physical and mental sensation.

First, one could remove the fish to an isolation tank and treat it with a proprietary antibacterial treatment.

Add aquarium salt to the isolation tank at the rate of 1gm/1.

Hitch looked at the rows of isolation tanks: quality control.

I went into an isolation tank once, on the recommendation of a friend.

You spent twenty minutes in your isolation tank to eliminate any negativity before retiring.

"An isolation tank might be the best thing for him," Beverly told her.

He points out that such states exist during meditation, as well as sometimes when people are in sensory isolation tanks.

You heard he's had a phone put in his isolation tank?

It was like being in the isolation tank, back at the Academy.