About a month ago I posted on the response I had gotten from Neptune Technologies about refrigeration of krill oil. As you might recall, when we refrigerated ours, the capsules became leaky and stuck together. Neptune said it was a humidity problem, not a refrigeration problem.
I put some krill oil softgels in a glass container with a sealed lid, which I then put in the refrigerator. At the same time, I put some krill oil softgels in the fridge in the plastic bottle they came in. Today, the krill oil in the glass container is perfect while the softgels in the plastic container are gooey. It’s got to be the humidity. And it proves that plastic containers are not impervious to moisture-containing air.
I told a professional photographer friend of mine about this, and he told me that photographers never keep their developing chemicals in plastic bottles because air will get to them and cause problems. They always store photographic chemicals in glass containers.
The take home message is to transfer all your fish oil and krill oil into glass bottles and put it in the refrigerator for maximal shelf life.