What is a Phragmite?
Invasive weeds that grow by and near water. They have no known natural competition, so they can grow and spread very vigorously and crowd out the more desirable plants in the area.
How to control Phragmites?
Rocks 'n' Roots Blog - Aeration
Q. Do I really need aeration for my pond? Isn't it only helpful to ponds with a lot of fish in them?
Use these calculators to quickly plan a pond: