In most cases you’ll close the pod door and lie back in quiet darkness, floating in water warmed to your skin ... one hour in a float tank and one hour in a warm waterbed in a dark and quiet ...

A solar panel runs a small pump that pumps water from a reservoir up to the top of the roof when the sun shines with a float switch in the roof barrel stopping the motor once it’s full.

[Renzo Mischianti]’s friend has to keep a water tank topped up. Problem is, the tank itself is 1.5 km away, so its water level isn’t typically known. There’s no electricity available there ...