From The Aquarium Wiki
What it Does
Aids in blood coagulation to help protect wounds.
Symptoms of Deficiency
Increased blood clotting time, anaemia, haemorrhagic gills and eyes, liver damage and problems in healing wounds.
Feed your animal at least three different types of food. This will ensure it gets adequate supply of this vitamin.
- Don't use old food. Vitamins decay very rapidly once exposed to the air, heat or being frozen. Try to feed food that is no more than 6 months old.