Commercial or industrial float valves are too big to use in his small tanks, which led [Billy] to test dozens of DIY designs ... When the water level is high, the buoyant object rises up and ...

"Look for a screw head on the valve that controls the float and that controls the water level," Siv says. Adjust the water level by turning the screw clockwise to lower the ball or counter ...

The obvious downside to a DIY Truckee River float is the ... be competent swimmers to attempt this particular float. While the current water level is no more than 3 feet deep or so — and only ...