Nutrafin Plant Gro (Aquatic Plant Essential Micro-Nutrient). Nutrafin Plant Gro - Aquatic Plant Essential Micro-Nutrient supports strong aquatic plant growth and condition by providing a complete chelated micro-nutrient formula (excluding boron). Enriched with a potent blend of B vitamins and biotin, it ensures efficient plant metabolism and strengthens resistance. Available Size: 250 mL (8.4 fl oz)