1.TheHiddenCostAshipsseawaterintakeisachain:grating→seachest→strainer→pump→piping→heatexchangers,boxcoolers,HVAC.Biofoulingonlyneedstosettleinafewlow-flowspotsalongthatchaintocausetrouble—andthefirstsignisrarelyvisiblegrowth.Itsarisingcooling-watertemperaturedifferentialorastrainerneedingmorefrequen...