make sure your bottles have tight caps!
i had a bottle and the cap wasn't tight
and i had a heck of a time pulling my
sink out of it. the time before i used a cork
in an amber glass bottle ( yeah i know cork isn't
a good thing to use ) and the next time i went into
the sacred space, my enlarger was sticking out of the bottle.
now .. i use a screw-top bottle ( still amber glass )
and my chemistry goes into a safe ...