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... you should also have a glow stick. It does not replace a light.
The consensus seems to be have a back up light and I totally agree. The other interesting point you guys raised is mastering my buoyancy before I attempt this dive to avoid the loon-@$%& bottom.
There's not much to see down there but it's in a spot where my buddy's ice fishing shack (and about 10 others) where situated this past winter; Lake Superior. The bottom is strewn with various lost items. It's only 35-40' dive but the temp at depth is only about 5 degrees celsius. The 8 mil suits really come in handy up here.
Thanks again.