Eric Schreiber wrote:
What medication could I try that won't hurt the plants or the inverts?

I successfully treated fin rot last year using both Maracyn and Maracyn Two
concurrently. The only casualty was the singapore shrimp, the amano shrimp
and the snails were not affected. I didn't have ghost shrimp back then.

--
Victor M. Martinez

http://www.che.utexas.edu/~martiv