Rock Hard (0-0-62) EL2 Ready to Use

Ready to Use

Growing fresh at home is now easier than ever before

You get more sites in the same footprint as other competitors

Unmatched spectral efficiency including UV and IR

Rock Hard (0-0-62) EL2 Ready to UseRIPENING FORMULA Rock Hard is a highly concentrated potassium supplement designed to increase the density of your flowers and fruits. Potassium is a catalyst for carbohydrate metabolism and aids in the synthesis of proteins and amino acids. Adding high levels of potassium may lead to thicker, heavier flowers with massive yields. Instructions: For use in nutrient solution: Implement Rock Hard up to 3 weeks before flush. Add 0. 1g per 1L or 0. 4g per