Pond Boss Forums AERATION Should I aerate? When, and how, to aerate?

First, search this site. There are volumes of thoughts that go directly to the heart of your question.
Directly, here's some answers. There are a number of excellent companies who can assist your decision which aeration system to buy. Look at our resource guide, and if you aren't a subscriber to the magazine, call the office tomorrow and ask Kathy to send you a copy of the magazine. Subscribe to the magazine. Inside, you will find several advertisers willing to step in and help.
Destratifying the lower layers is an excellent management decision. Mixing water layers helps cleanse the entire pond, if done properly.
Third, I would figure out the status of your fish population. Depending how long your pond was down, your fish population may have made major adjustments. Now that it's full, you may need to adjust it yourself.