well i confess that in 1995 i flooded my brand new - to - me 30' seafarer by putting the water tank fill hose into the deck water fill hole and turning on the hose. soon the admiral , belowdecks, stoped the reading of the magazine long enough to yell 'STOP what you're doing you are causing a flood in here .' since it was our very 1st week end on our very new -to -us boat, i did not realize the seller had never connected any water hose from the brand new deck fill plate to the water tank. so all 30 or so gallons i put in to the deck fill were flowing secretly down the inside of the hull, into the bilge, out of the bilge, onto the floor an inch deep. all over the lower edges of the plywood/teak veneer panels, bunks, galley cabinets... WE ran the bilge pumps, shop vacc'd it ,mopped, ran fans.. we had no delamination of any wood or fake veneer/plywood, and no visible damage after it dried out. it was, however, not the most elegant way to spend Our First Weekend On The Boat. (As i have often been reminded , through the years, by the comment are you SURE you know what you're doing???.)