Goldfish and Koi Mass
Some rules of thumb for measuring koi and goldfish weight.

Invasive Control Methods
Learn methods used to eliminate or control invasive aquatic species, including their pros and cons.

U.S. Native Pond Plants
Plan a “green” pond for summer that has a reduced impact on the environment and your wallet – plus, learn about native pond plants.

Unique Pond Fish
Try some unique pond fish, instead of koi and goldfish.

Buying Koi Fish
Information on buying koi fish.

Clogged Pond Sump Pumps and Filter Screens
There are ways to decrease the amount of maintenance sump pumps and filter screens need.

Lymphocystis Disease
Lymphocystis disease is not an attractive condition, but it's also not fatal.

Causes of Dropsy Symptoms
What are the causes of the symptoms of dropsy?

Climbing Pond pH
What can be done about high pH in ponds?

Pox on Carp
The likelihood of koi having carp pox is rather, well, unlikely.