Thanks for the responses guys.
I ended up speaking to local aquarium shop and they recommend " Liverpool Creek Aquariums" Planaria Fix"
1st treatment 12ml per 50 Lts
After 48 hrs treated again.
Then 50 % water change after another 48hrs.
No sign of any planaria .
No losses of any fish, fry or eggs ...

Hi guys,

I am from Melbourne, Australia.

Does anybody know the best/safest way of Treating Planaria infestation in L number Catfish Tanks?

I have been reading about Fenbendazole but I have found no information regarding it's effect on L number catfish.

I have a 5000 litre system with several ...