Emerald Harvest Sturdy Stalk 1 US qt / 0.95 L, Case (12 Qty) is a premium plant supplement formulated to strengthen and support plants during their growth cycle. Each quart bottle in the case contains a potent blend of potassium and silica, essential elements for promoting robust plant structure and overall health. The high silica content helps reinforce plant cell walls, resulting in... https://www.hydroponicstown.com/sturdy-stalk-1-us-qt-0-95-l