Dawn works well in an ultrasonic cleaner for regular dirt and grease. Just mix a small amount with warm water. For really tough stuff, you could try a stronger cleaning solution, but dish soap is safe and effective for most jobs.
The easiest and efficient way of getting rid of moss is with plain old baking soda. This method is great for tackling smaller patches of moss and since it’s completely natural, it won’t hurt the environment or your garden plants. Before getting started, wear a pair of gloves when making the...