This is my first post. I wanted to say hello to everyone. I also want to ask a question About "Parashield" from sentry. Im treating a 20 gallon now had it up and going for about 3 months. I believe I brought ick home with my new fish. Ive been using this treatment for 3 days. And they look worse. Yes my temps are at 82degrees. ? Any one use this product have any helpfull hints?