Pit Water Movement Test: Reading Land Energy from Swirl and Bubbles
Pure water poured with a mantra into a small pit dug in the North-East, East or Brahmasthan swirls clockwise on good land and anticlockwise on negative land; the speed of the swirl and the place and behaviour of the air bubbles show the whole plot's energy and its buried defects.
North-East, East or Brahmasthan of the land