I live in Denmark, and have 10 big Synodontis Polli ''White''.
They give a lot of eggs, and the young is doing fine until they are about 1 cm.
Then they start to die one by one

I have tryed feeding them with allmost anything, but they die anyway.
My water is fine, and temperature is about 25 celcius.
Anyone have an idea what im doing wrong, or mabye what to feed baby's of synodontis polli ''white'' ?
I'm about to go crasy over ther are so hard to grow up.
Any help

Have a nice day

Henlar