Greetings, I've just purchased a 1984 Catalina 30 which does not have (and never has had) a holding tank. I wish to install one. I was planning to put one in the port settee (as I've seen in other Cat 30's), but the previous owner has put other things in there which would be a pain in the neck to move. So, I'm thinking of in bow, under the V-berth, forward of the Ronco B115 water tank that's there. Has anyone put an additional tank in their bow? Or, does anyone know of an appropriate tank that would work there? Or, have another suggestion? Thanks, Barry