Thin stool, FW Angels... lumenal Protozoan parasites?

Okay I have angels and have been battling the thin white stool issue. Now some have nice stools some have normal colored stools but they are thin and some have the thin white stools. I do daily or bi daily water changes, I have r/o water that is set at 6.5ph ammonia and all parameters are great.

I have treated multiple times with metro both in food and in the water with the temp raised, used Prazi, parasite clear and have recently given dewormer flake. I stopped treating the tanks a while back and just focused on medicated feed. Either metro laced color bits or the dewormer flake.

It is frustrating. I also have breeders that have their eggs falling off the pvc pipes. Eric I tried to find this in the search but kept coming up with can worms or other breed problems not related so I am sorry if this was posted somewhere and I just did not find it.

I have no deaths and everyone seems to be ... more.

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