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Use an oxygen tester and air stones to keep your available oxygen level to at least 7.0 parts per million of dissolved oxygen in 90 degree F. water. Koi and goldfish start showing signs of stress at oxygen levels of 4.0 ppm and will start dying at 3.0 ppm. The higher the water temperature goes the less oxygen that’s available. Water temperatures over 90 degrees will also affect fish health so keep the temperature under control by providing shade during the hottest parts of the day.

It’s Parasite Season
Warm water causes an increase in parasites such as anchor worms, fish lice or flukes. Some parasites such as anchor worm and fish lice are visible and can be treated with Dylox, Dipterex or Masoten. (more…)

Tags: air stones, anchor worm, anchor worms, beach umbrella, external protozoa, fish health, oxygen levels, pond specialist, protein food, rock overhang, shallow ponds, thick mucus, water temperature, water temperatures