A natural solution, for build up and foul odours in drains, septic systems, grease traps and holding tanks. MULTI ZYME quickly and effectively breaks up starch, carbohydrates, protein, grease, fats, and more. It is safe to use, contains no harsh acids or caustics, and will not harm fixtures or plumbing.  FAST ACTING BACTERIAL DIGESTANT for GREASE TRAPS - Food Plant Approved