If you know your pond is going to keep it's water level stock your bearing food chain let that develop for two years and then stock your game fish ,check your water chemistry by a pond proffesional and breeding habitat before you start the money spent now will return in the future
As for advise Pond Boss is the site to ask for advise if there is doubt you will find the solution to the problem here.

Wood D. Chuck


Scott Trava
Catskill Pond
http://catskillpond.com
scott@catskillpond.com
Returning Catskill Waters To A Simpler Time
EST. 1923