Sealing live wells

[wiperhunter2]

I found out that putting the drain plug in my forward livewell did not stop the water from coming in. On my boat, there are two over flow holes, one on each side of my boat. I found out that no matter if the drain plug was in or out water would always get in the livewell. I store my life jackets in my forward livewell, so every time I get back from a fishing trip when using my boat, I have to remove my life jackets and leave the live well open for it to dry out between trips. These over flow holes are almost twice as large as my drain hole, so a regular drain plug will not work. I guess this is a good place to ask anyone, if they use a plug in their overflow holes to keep the water out? If so, where did you buy them?
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