If you handle it well when opened, dry sea moss can last for a year if stored in a cool, dry place. To ensure that the dry moss in the package lasts as long as possible, take only as much as you need. Generally, sea moss gels should last about a month if stored in an airtight container inside the refrigerator. They should never be stored in pantries or in places at room temperature.
Sea moss that has been converted to gel will last about 1 month when stored in the refrigerator. Dry, raw sea moss will last up to one year unopened (3 months open), assuming you've kept it in a cool, dry place and haven't exposed it to high humidity. Does Sea Moss gel expire? Yes, it does. When you prepare a batch of sea moss gel with our dry sea moss, you typically run out of gel for 2 to 3 weeks, from a shelf life perspective.
As it is a natural product made from organic matter (seaweed, a marine vegetable), it will deteriorate over time. Let's see how you can help keep your Sea Moss Gel fresher for longer. Yes, dry sea moss will expire. Our dry sea moss normally expires after about a year, if the package hasn't been opened.
We ensure that our team follows strict health and food handling protocols from the harvest stages to preparing your sea moss for sale. If you're worried that sea moss gel will degrade too quickly, but you don't want to freeze it, buy it in small batches instead of large volumes. We have a couple of posts here that show you how to make your own sea moss gel, which I hope will help you. Fresh sea moss deteriorates once it loses its color (it usually darkens, since it was originally a light tan or gray color), develops a strange or putrid odor, or develops mold.
Most commercially made sea moss gel recipes have some preservatives added to help extend the shelf life of what is being sold. If the sea moss that turned to dust hadn't been bleached in the sun, this could be another reason for the brown color you're seeing. That's not to say that sea moss is generally dangerous, but that I don't know its specific circumstances and needs. I hope that if the ingredients in your gel are just sea moss and water, this will convert over time.
Not knowing which of the two it might be, I personally wouldn't use it and would soak up a new batch of Sea Moss. Sea moss gel can be stored in the refrigerator for two weeks and will last for a year if stored properly. The more you handle raw sea moss and return it to the container, the more bacteria are likely to enter, reducing its lifespan.
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