You do put it in the water, but I think you might also want to give a little orally. I know that Tractor supply sell Corid, and you'll find that in the cattle section. Fear not, it's labeled for cattle, but *is* also used to treat poultry.They are very 'scruffy'. Do it put it in their water? Tractor Supply is literally across from our street. I'm heading there now.
Not sure what sulfa drugs they have.
-Kathy