Diy Pond Aerator Without Electricity. (the higher the better) b. How to make your own pond filter at home backyard pond filter.
Design and performance of paddle wheel aerators. By having a bottom diffuser placed no deeper than 1/3 the total pond depth (and close enough to shore that anything that goes into the water can walk back out without climbing up on the ice) to keep an area open that is approximately 10% of the total pond surface, you will prevent most if not all winterkill problems. Windmill pond aerator is an excellent idea if you live in a place where it would be difficult to connect the aerators to the electricity.
Air pumps provide a direct line of oxygen to pond water, and are useful without a filter system in place.
If you will look at the post will this pump work, you can make a very inexpensive aerator for a small pond. Increasing aeration with 100% solar power. Diy pond aerator breathing is the source of life, not only for people, but for all animals. I made this aerator up and it put out quite a bit of bubbles at 10' deep in my pond.