I have a bunch of 1 gallon culture jars and 2x smaller quart jars for culturing phytoplankton. I’ve made the lids with rigid airline tubing and valves, I’ve done all the hard work for you. These set up to have a nice clean look.
they work very well.
$15 per large jar
$7 per small jar
they work very well.
$15 per large jar
$7 per small jar
