Prevent your pond from icing over completely in winter by floating a tennis ball on the surface. Remove it to leave an air hole in ice that does form. Avoid breaking the ice as the reverberations ...

Plant type: Water plant Plant size: 4″ high and spreading rapidly USDA Hardiness Zones: 4-10 Cultural needs: Moist soil or floating ... balls,” which house microorganisms that break down pond ...

The key to a healthy pond is keeping the water clear and ensuring ... Grow sufficient numbers of plants so that their floating leaves cover more than 50 per cent of the water surface.