Paul Priestman has designed a water saving gadget for your shower called the Waterpebble. The Waterpebble monitors the water going down the shower drain and alerts you of your water usage (like a stop light) with green, yellow, and red lights.
Paul Priestman has designed a water saving gadget for your shower called the Waterpebble. The Waterpebble monitors the water going down the shower drain and alerts you of your water usage (like a stop light) with green, yellow, and red lights.