I have contemplated adding an additional water tank to the void under the V berth on our ‘07 25 Cruiser. Water, fuel & ice are always our limiting factors when out on longer trips and we enjoy being on the hook vs always in marinas. I added a solar panel system for the same reasons.
After contemplating the labor, expense and complexity of adding one, I came up with a much simpler & less expensive alternative. KISS after all . 5.3 gallon collapsible water jugs. I can easily store 2 under the Vberth storage. The weight is then more forward and along the center line. Once emptied they collapse into a fraction of space, unlike our rigid 6 gallon water can we used to carry. I got them from here: https://smartbottleinc.com/
After contemplating the labor, expense and complexity of adding one, I came up with a much simpler & less expensive alternative. KISS after all . 5.3 gallon collapsible water jugs. I can easily store 2 under the Vberth storage. The weight is then more forward and along the center line. Once emptied they collapse into a fraction of space, unlike our rigid 6 gallon water can we used to carry. I got them from here: https://smartbottleinc.com/