Koi and goldfish can survive in ponds over winter provided it is adequately deep to give them plenty of room under the ice and an opening is maintained in the ice to allow oxygen into the pond and carbon dioxide to escape.

Koi and goldfish can survive in ponds over winter provided it is adequately deep to give them plenty of room under the ice and an opening is maintained in the ice to allow oxygen into the pond and carbon dioxide to escape.

Adding Beneficial Bacteria to your pond helps to break down waste products, improve water clarity and maintain optimal water quality for healthy fish.