An interesting premise, but I am on a well, have a pressure tank, and the well hose/pump has a check valve. (Otherwise, water could slowly drain back into the

An interesting premise, but I am on a well, have a pressure tank, and the well hose/pump has a check valve. (Otherwise, water could slowly drain back into the well) So think of it as a closed system, and it is a common setup, yet I have not seen this behaviour.