TIPOF the week
Stop your pond freezing over by floating a tennis ball on the surface. When the water freezes over, remove the ball and you will have a hole for air to reach the fish - without risking harming them by trying to crack the ice.
Stop your pond freezing over by floating a tennis ball on the surface. When the water freezes over, remove the ball and you will have a hole for air to reach the fish - without risking harming them by trying to crack the ice.