long axis is the line running thru caps left to right as you describe, short axis is a line running between caps left to right when you have caps in line facing you. So That is what I will start doing.
I am not sure what the residue was/is from. It is a film on top of the water, kinda oily looking. It was same whether using distilled water or tap water. I am guessing the plastic absorbs some of the chemicals and that adding water release some. Most likely negligible, but then again, nothing in film developing is negligible. I did rinse with 91% rubbing alcohol and that seemed to reduce the film to almost nothing. It might be that after rinsing out, components should get a final rinse in rubbing alcohol.
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