1. Unscrew and remove the lens housing.
2. Using a flat head screwdriver, gently and carefully remove the
retainer ring holding the lens into place.
3. Remove the lens and insert your desired gel. The gel should sit pefectly on the small ledge inside the housing.
4. With the gel sitting perfectly, reinsert the lens. After the lens is inserted, reinsert the retainer ring so that it sits snuggly against the
lens. There should be no play between the lens and retainer ring.
