1. Make sure clean the surface of media, and there is no oil and dusk on it.

2. Soak the clean media in the container filled with coating or spray coating evenly onto the surface of media with spray bottle. After even spray, hang it on the shelf to dry, which generally takes 2 hours. After no water dripping,

Put the media on the 150-degree oven to bake, and set the time 55 minutes. When time is up, take it out and use.