r4e
Contributor
My Solo Dive Intsructor gave very simple advice for this: just turn on your back and watch for any extra bubbles above you. This is my bubble check at the beginning of a solo dive, and, if suspicious of anything, I perform this check later in the dive as well.A loose inflator elbow that is trailing a stream of bubbles is a HUGE RED FLAG, but since you don't have eyes in the back of your head, you will most likely miss it.