Homemade Pond Aerator. You should have a nice 360 degree spray of droplets. If you will look at the post will this pump work, you can make a very inexpensive aerator for a small pond.
To start as cheap as possible, i bought oilless hf. Even without pond fish, it’s often good to provide some form of aeration for natural bacteria and wildlife. In the process, the water breaks up into millions of tiny spheres which absorb air as they fall back down into the pond.