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HighPharm Glass Castles 1L

Regular price
R 180.00 ZAR
Regular price
Sale price
R 180.00 ZAR
Tax included.

Glass Castles

Glass Castles, our potassium silicate based fertilizer contain plant available silica. With added Vulvic acid, Glass Castles can be applied through foliar feeding or fertigation.


  • Increase flower and stem size.
  • Improves resistance to drought stress and metal toxicity.
  • Strengthen plant cell walls.
  • Increase plants resistance to insects and plant diseases like powdery mildew.
  • Improves uptake of nutrients and water.