Thanks, that was my thoughts as well, always get a little nervous when you find a screw up like that! The tank is plenty full as it was filled last week.
I recently transferred some semen to my tank from a shipper, I got side tracked/pulled away while writing down the cane codes and then pulled away to do something else. When I came back to finish, I realized that the plug had been left out of the tank for about 2 hours. The tank was just...