In a blender, combine the water and the algin. Blend until smooth. Refrigerate for 48 hours until the air that was whipped into the mixture dissipates and the algin rehydrates itself.

Among industrial uses of brown algae may be mentioned the kelp industries, formerly so profitable as the source of soda, and still yielding potash, iodine, and bromine.

Brown algae removes 550 million tonnes of carbon dioxide from the atmosphere annually and stores it in its slime for up to thousands of years, a study has found.

Brown algae can even outcompete terrestrial forests in the long run to remove large amounts of CO2 from the global cycle, thereby counteracting global warming. Wednesday, Jun 25, 2025.