Provides 14 elements critical to long-term health, growth, and coloration of aquatic plants.* Elemental ratio reflects current understanding of general requirements for unrestricted growth of tropical aquatic plants.Brightwell Aquatics FlorinMulti Multi-Nutrient Fertilizer for Planted Fresh Water Aquaria,20 liter / 5.3 gal.* Provides 14 elements critical to long-term health, growth, and coloration of aquatic plants. * Elemental ratio reflects current understanding of general requirements for unrestricted growth of tropical aquatic plants. * May be used to establish beneficial water parameters in new aquaria, to replenish depleted elemental concentrations in aquaria that rarely receive a water change, and to re-establish concentrations in aquaria following large water changes. * Well-suited to the planted aquarium hobbyist seeking one simple solution to use for the majority of plant husbandry requirements (e.g. aside from instances when specific water parameters require adjustment). * Also provides 0.001% iodine to enable crustaceans (such as shrimp) to molt and grow. * Formulated utilizing extensive research on aquatic plant nutrient requirementsProduct code: 3613Item No. PT-BA-FNM20L