Today’s featured product is API Stress Zyme by Aquarium Pharmaceuticals (MARS). This product critical for cycling a new aquarium. Stress Zyme is a biological filtration booster. It serves two main purposes, it contains live bacteria that speeds up the development of the biological filter, and it helps keep the aquarium clean. Stress Zyme contains millions of live bacteria that speed up the development of the biological filter to eliminate ammonia and nitrite. It should be used whenever you are setting up or maintaining an aquarium (Water Changes, etc.). Continuous use of Stress Zyme will help keep the gravel bed clean and free of organics. Stress Zyme works very will when used with API Stress Coat.