Power Gel Clean has been USBC tested and is acceptable for use anytime. It is an incredibly effective ball cleaning gel. Power Gel Clean utilizes powerful degreasing agents to remove marks, dirt, lane oil, and grime from the bowling ball surface. And, because it is a gel, it works harder and longer to restore ball performance. The low VOC Power Gel Clean formulation is biodegradable and formulated with natural solvents, making it and environmentally responsible ball cleaning solution. 16oz.