I've made my opinion pretty loud and well known on resealing tanks. I think you're asking for a lot of trouble. You can try different patch methods, and they can kinda work, but the only sure-fire way to do it is to reseal it. You cannot reseal one edge, as you'll have a point where "old" and "new" meet. You've got to take the tank entirely apart and reseal it. This means...
Thanks for the advice, Josh. I'll just keep it filled below the leak point for now and keep an eye out for a new bow front replacement.
1. Drain the tank, empty it, house fish somewhere else.
2. Remove the frame. Probably break one piece, at least (they simply don't come off well).
3. Cut all the old sealant away, pop tank apart, hope you don't break any of it.
4. Reglue it, put it back together, and wait 48 hours.
5. Leak test it. Repeat as needed.
6. Put it back on, and deal with the fact that all of your seams now look like you did it yourself.
7. Wait 3-4 weeks for a new frame to arrive to finally finish this job.
8. Know that every bit of silicone on that tank is a home job and that any day ... any day... the whole thing might just burst.
Its a lot of work to reseal a tank. It never comes out looking like a new tank. And, it's never, ever gonna look good. There are tanks I would reseal. A 110 Oceanic, sure! A Metaframe? Absolutely. A basic AGA that I can replace for $1 a gallon? No way. A really big tank? Not unless its special in some way.
Your 36-bow is going to be a little difficult to replace, and a little expensive, but ... bow fronts are a pain in the butt to reseal.
My advice, bin it and get a 45.