Bio-Pak is an all natural enzyme deodorizer and waste digester.  A scientific breakthrough developed by the Walex R and D group, Bio-Pak holding tank deodorizer offers unique combination of waste-breakdown performance and portion control convenience that no other natural-based sanitation product available today can match.  Bio-Pak's advanced enzyme formula deodorizes and breaks down waste and is safe and beneficial for use in septic tanks.  No need for special RV grade toilet paper with Bio-Pak.  It will break down the toughest of toilet paper brands.