Oh, to answer your original question, if you are framing with CA, you probably want to use the medium. The instructions for the kit might tell you what is recommended for specific steps.

The spray is a kicker that makes the glue harden as soon as it hits it. If you have something pinned in place, you really don't need the kicker. Just let it dry. Kicker can be handy if you are holding something together and want to let go. Just make sure your fingers aren't glued.