i understand perfectly what you are trying to accomplish. i agree that it would in no way shape or form hurt the fish. however, i will leave you with a quote from one of my favorite movies as it seems that you have only good intentions in what you are trying to accomplish.
"Some of the worst things imaginable have been done with the best intentions."
-Jurassic Park III
"Some of the worst things imaginable have been done with the best intentions."
-Jurassic Park III