Treat Your Koi as Your PetThe Koi you will be keeping in that australian email database pond should be considered as much of a pet as your dog or cat. As such, your fish deserve the best of care. That includes water to swim in that has been filtered to remove any harmful material and the waste products from the fish. What would happen to your pond and to your koi if you decided to do without filtration. Your pond will very quickly turn a sickly shade of green due to algae build up in the water.

, algae-filled water, as do other creatures that may well harm your fish. If just one fish in your pond is infected by a parasite or injured by another creature in the water, the chances are good that all of your other koi will experience the same fate. Standing water that is full of algae and parasites really smells horrible and looks pretty awful, too. Do you really think your koi could live in all of that muck. Here is a hint – They cannot breathe or live in water like this.