Always fill completely. Tighten cap securely. Wash bottle in warm soapy water and rinse thoroughly before each filling. (This product is not dishwasher safe). After cleaning ensure sealing gasket is in place. Always fill bottle completely to prevent dripping. Tighten and secure cap. Invert bottle. Press in control ball and let water trickle out of the tube until vacuum develops inside of bottle. Note: Vacuum pressure will keep water in. Refilling bottle completely with room temperature water minimizes temperature caused dripping, and always tighten cap securely. Installation: Mount bottle in a convenient location with tube tip 4-6 inches above cage floor. Position wire bail holder so it will rotate over the top of the bottle. For permanent installation, crimp bail loops over cage wire with pliers. Conversion & Training: Training your bird or small animal to drink from a Kaytee Water Bottle is easy. If a bird or small animal requires training, simply place a finger or a piece of food on the bottle tip to displace water. Maintain a water bowl in the cage until you see the bird or small animal drinking from the bottle.