Cross-cut: Great info. I did just as you suggested, but have not tested it yet (extra gaskets).
Sea-slugs: The top baffle covers everything. Darned if I know how much water is in there. If I fill it to where I can see it (baffle), it definitely will spray out!
How should I determine the level? Leak-down. I have seen that term used here on FB before, but don't know what it is. I will do some research and give it a try. Thank you!!