Take a look at this site below. You probably want the super thin 5 CPS viscosity one if you are using it with the sand/rock dust method, although sometimes you might want a dab of gel to do the initial set. Don't bother buying overpriced accelerator, just make your own DIY CA accelerator by mixing a teaspoon or two of baking soda with a cup of water and put into a spray bottle. I did follow up with emarco 400 mortar around the critical joints on my first NSA attempt (
https://bostonreefers.org/forums/index.php?threads/waterbox-25-mini-peninsula.174028/#post-1451637 ). Also, it is much easier/more stable to start the bottom off with a piece of flat cut marco rock to get nice contact with the bottom glass.
Gluemasters
gluemasters.com