Build up your plant cell walls & encourage productivity with sturdy stalk, a potassium silicate Supplement from Emerald harvest. Sturdy stalk's key ingredient-silica-fortifies your plants & enriches the internal structures needed to support top-heavy plants laden with flowers & fruits. Because it strengthens cells, silica helps plants withstand environmental & other stressors so that they spend more of their energy creating blooms & buds. The other main ingredient in sturdy stalk, potassium, helps your plants get the most benefit from photosynthesis, no matter with what light or where your plants are cultivated.