During the 2020 GREEN4SEA Athens Forum, Mr. Vaggelis Papalaios, Regional Division Manager, Capital Sales, Marine Division, Alfa Laval shared lessons learned from 15 years of BWM experiences. Providing statistics from ballast water in numbers for the world’s fleet, Mr. Papalaios highlighted the need of balance between price and value when retrofitting a BWTS, while focused on high power consumption as a measure of biological performance.