This could be due to a number of factors – poor water quality, lack of oxygen, parasites and poor nutrition. A food with a high level of stabilised Vitamin C will help build up the immune system and perk up your koi. Also, look for Vitamin E as this helps stress related problems. Soaking the pellets in orange juice will also help. Incorrect nutrition will result in unhealthy koi, regardless of how good the water quality is.
Are Coldwater Fish Easier To Keep Than Tropicals?
It's the question that's almost as old as the hobby itself. Many people who want to get into fishkeeping do so because they believe that fish are an easy, low maintenance pet they just need to feed once in a while. And many think that the easiest way to keep fish is...
