Hi I need help with these floating white worms that appear to be nematodes, I treated with levamisole yesterday and they are not dying.
I treated 1ml per 7litres and no result.
These worms eat new swimming fry and are living on the floor and floating around.
There is also brown algae that keeps growing back which I clean every week.
Can any one help me???

I was thinking of a stronger dose or using seachems cupramine???