Grow Queen's 100% pure Ecklonia maxima seaweed is a cold-processed marine extract sourced from sustainably harvested kelp along the coast of South Africa. Known for its exceptionally high natural auxin content, Ecklonia maxima helps plants grow stronger, root deeper, and recover faster—all while staying gentle, organic, and safe for every type of plant.

Unlike common seaweed extracts that rely on heat or harsh chemicals, our low-temperature extraction keeps every beneficial compound intact: bioactive hormones, trace minerals, amino acids, and natural growth stimulants that activate the soil food web and supercharge root development. It’s the cleanest, most effective form of seaweed available—and the foundation of lush foliage, explosive root systems, and healthier plant structure.

Whether you’re mixing it into your nutrient routine, boosting propagation success, or supporting stressed plants, pure Ecklonia maxima is one of nature’s most powerful plant tools.

8 oz bottle treats up to 50 gallons