Pond Fish Care

Basic Needs Of Pond Fish

The basic essentials needed by koi and goldfish are:

  1. Oxygen
  2. Clean Water
  3. Quality Nutrition

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Fish need oxygen to survive. Pond water contains oxygen, but this oxygen depletes over time. Where does the oxygen go? Oxygen is consumed by the fish, plants, algae, and decomposing waste. Water temperature also affects oxygen. The warmer the pond water, the lower oxygen levels become. 

Maintaining adequate oxygen levels first and foremost keeps your fish alive. Oxygen also plays a role in other water quality parameters. Oxygen is created through the movement of water exposed to the atmosphere. Fountains, streams, waterfalls, and spitters all do this. Aerators, which consist of an air pump, air line, and air stone diffuser, provides an even greater amount of oxygen for fish. 

After oxygen, the next essential component is clean water. Our definition of "clean" water may vary from what you are thinking. While you may think algae is the problem, we are actually talking about what you can't see. NUTRIENTS. Pond nutrients are the by-product of waste that comes from fish, fish food, fertilizers in plant food, and fertilizers from lawn treatments. Poor conditions created by nutrients cause stress to koi and goldfish. Fish that are stressed are more susceptible to parasitic and bacterial infections. 

Keeping water clean is relatively simple. Treating water with microbes (good bacteria) breaks down waste. Filtration removes algae and waste from water. It also acts as a biological filter. 

Last but not least is food. Proper nutrition maintains vibrant colors, and growth potential of pond fish. Poor quality foods can actually slow down growth and dull the color of your fish. Low grade foods also add to poor water conditions.