Build Inner Stregnth
Build up your plant cell walls to support maximum yields with Sturdy Stalk, a potassium silicate suplement from Emerald Harvest. The silica in this fortifying formulation bulks up interior plant structures and grows hardy, stress-resistant plants.

Sturdy Stalk | 0-0-1
Soluble potash 1.0%

Derived from potassium silicate.
Also contains non-plant food ingredients:
0.4% silica derived from potassium silicate

Directions for use:
Mix 1 mL of Sturdy Stalk product per liter of nutrient solution
This product will raise the pH level | Check and adjust the pH to the desired range