brushing the base does not "clean" it. Brushing opens up or exposes the structure in your base which helps it slide better and easier. Cleaning it involves either small amounts of solvent to remove dirt, pine tar what ever,. Hot scraping is another way to clean the base but more labor intensive.
Chk snowolfs tuning tips stickied on this site.. not a hassle its a labor of love taking of you stick.. keep the base moisturized and the edges smooth and your board will treat you well.. SEE snowolfs tuning and waxing techniques.
NEVER USE KEROSENE ON YOUR BASE!!!!!
DID YOU READ MY EARLIER POST????? NEVER EVER!!!!!