Dr. Earth Ocean Rich Seaweed Extract Concentrate Fertilizer, 32 oz Dr. Earth Ocean Rich Seaweed Extract Fertilizer Concentrate 32oz Ocean Rich Seaweed Concentrate with Prebiotics is a powerful and easy-to-use liquid fertilizer formulated to work fast any time of the year, regardless of temperature It is great for many projects in the garden, including use as an amendment for planting ornamental trees, shrubs, and bare root planting Help your plants reach their full potential