Thanks for the help, now I know how to find the problem, it should be all good Thanks again
thanks I suspect, and it is just a guess, that the water is leaking in where the top of the pontoon, joins the bottom, but I don't know what to...
I bought an Aqua Cat, it's all in good shape but one of the pontoons slowly fills with water. I checked the drain plug and it seems to fit snug...