Adjust the filter speed to 'slow'. Refer to pump instructions. Biological trouble shooting guide. This guide is intended to help you deal with problems that may arise with the eggs and fry during the Fish Friends program. Sometimes fish get sick and die and it is good to know why this is happening and what you can do fi anything to correst the problem and reduce the numbers of dead fish.
Eggs turn white when dead.
It is important to remove dead eggs immediately. If dead eggs are left in the tank a fungus may develop on them, This fungus looks like white cotton. The egg eventuall looks like a little cotton ball. This fungus can attack nearby live eggs and kill them. So again, it is important to remove the dead eggs.