Freshwater dips are a very important diagnostic tool when you have a sick fish. Since it can help flush out the excess mucus that can and does build up in the gills with a parasite infestation, it can be lifesaving as well. It will even confirm a flukes infestation. It’s important to know how to perform a freshwater dip since so much can be gained from it. We are going to go through the steps here together.