START UP offers two complementary products in the same box: the power of BIO DIGEST and the efficacy of STOP AMMO to start up fresh and salt water aquariums more rapidly. Biodigest_Start:– composed of live bacterial strains– aquarium cleaning by waste matter digestion is helped by the presence of numerous different strains of heterotrophic bacteria– nitrates and phosphates are reduced– enables water to be effectively purified– prevents the spread of filamentous algae– converts ammonia into nitrites – nitrites into nitrates – and – nitrates into nitrogen Stop_Ammo_Start:– traps and stops ammonia– reduces nitrite production– prevents the fish from being shocked or killed WHEN SHOULD START_UP BE USED ? When you start an freshwater or saltwater aquarium Start Up enables you to quickly introduce 1/3 of your toughest fish into yournew aquarium:– after 4 hours in freshwater– after 12 hours in marine water