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Do you mean 'bladderwrack'? Bladderwrack is a type of seaweed, which is high in iodine as well as other minerals and has many medicinal properties. It has 'air pockets' like bubbles at the end of its stalks. You can find out more at: http://en.wikipedia.org/wiki/Fucus_vesiculosus Hope this helps. J

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16y ago

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