So I have heard a lot of guys talk about replacing their flotation in their DS1 and maybe even DS2. Question, have most used just swimming pool noodles and also, what sort of access panel did you cut in and mount, how big and where? This would both be for under the seats and under the bow area correct? All my DS1 has now are the 3'4" drain hols drilled in them near the sole. IF one thinks the foam that was original is no longer good and might not keep the boat afloat, I want to make this my next project.