Safety and efficacy of the Environmental Products Group Masterflow Aquarium Management System with Aegis Microbe Shield

This study investigated the safety and efficacy of the EPG Masterflow Aquarium Management System with Aegis Microbe Shield™ (EPG-MAMS). Four different species of fish were used in the study. Ten fish of each species were placed in 75 l aquariums containing the EPG filter media, a commercially available filter media (Whisper®) and an aquarium with no filter material. At the end of the 45 day trial three fish from each tank were sacrificed and preserved in formalin for histopathology. Water quality parameters were routinely monitored. The EPG filter media was compared with the Whisper® filter media for efficacy against Aeromonas salmonicida using a shaker flask microbiological assay. The EPG filter proved to be clinically and histopathologically safe and reduced to some degree the number of A. salmonicida suspended in water in an in vitro study.