The baby bottle racks come in all kinds of shapes, sizes, types and models. This is why you’ll find different cleaning methods for each of them. However, basically, to dispose of excess water from the drip tray, all you need to do is to remove and dump the water. Then remove all the drying rack and clean the parts with warm water. You could also use liquid soap to do so. If your drying is dishwasher safe, you could just pop them into your washer. Moreover, some products are easy maintenance while some are not. You can specifically check the cleaning tasks to be done before buying. That can save you a lot of time in future.