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Grotek Pro-Silicate Concentrate, 23 L


Grotek™ Pro-Silicate™ (0-0-4) concentrate provides both potassium and silicon to plants. Potassium is an essential element in forming plant structure. Silicon is the building block of plant cell structure. All plant cells require a certain amount of silica in their outer wall. It provides a rigid wall, which, along with calcium, helps keep plants from bending under their own weight.