Down To Earth™ Kelp Meal 1-0.1-2 is pure Ascophyllum nodosum seaweed from the clean, cold waters of the North Atlantic Ocean, which provides a rich, natural source of potash. Hand-harvested, carefully dried and finely milled, DTE™ Kelp Meal 1-0.1-2 is an ideal nutrient supplement for all types of vegetables, herbs, flowers and perennials. 5 lbs in a compostable box.