Devils Harvest Silica

Use Silica as .5mL/per 1 Ltr (100mL/200Ltr). Always add Silica before any other tank additive for best results. Silica is PH balanced for superior results. Use in grow and flower stages, Silica helps fight downy mildew, reduces heat stress and strengthens branches. Adjust final PH to 5.5-6.3
All Devil’s Harvest products have been scientifically formulated using the highest quality and purest of raw materials possible.