Clear at last,! Koi fish in a water garden pond.

June 30, 2008. My koi pond has magically cleared up over the last 6 days. I added a lot more water hyacinths suspended in a 4′ X 10′ minnow seine net from Wal Mart. This keeps the koi from eating and tearing up the plant roots. The plants use up the nutrients in the pond and the algae starve to death. Voila! Clear water.