ALGA Liquid Algae, when applied to your plants, helps to enhance plant health and tolerance to a wide range of growing conditions. Growing in salt water, it is most often used to help plants properly regulate their hydration, resulting in greener, more vibrant plants in irregular water conditions. Liquid algae, ALGA, contains vitamins, natural chelating agents and amino acids. These biologically active compounds improve seed germination, promote root development and increase flowering and fruit size. ALGA, the liquid kelp, helps plants grow faster and healthier.