Originally Posted by
Crankycrank
Sometimes those hard to find leaks are at the base of the valve stem and the stem needs to be wiggled around under water to expose the leak. But yes, latex are a little harder to find a leak than butyl. You could also try pumping up the tire mounted on the rim and dunk it in water with 100psi or so and you may at least find the general area where the leak is.
Thought of that. Of course the tube won't go back in exactly as it was when it flatted and air will come out where one of perhaps many objects penetrated the casing. But to fix a flat, I have to be able to see the hole itself in the tube.