Guys, I have just bought a 2052 WA with hard top and fitted a Merc 150 V6 2.0. I intend to fish with her on this side of the Atlantic (northwest coast of Ireland). She will have some testing weather to put up with over here. I was wondering if anyone could enlighten me as to what the tank immediately inside the galley on the 21 ft Trophy WA is intended for. It seems to have water pipes in and out to allow water to flush through but i can't figure it out! Any suggestions.