Silicum Flash 2.5L

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NPK 4-3-3

A 100% Organic Plant Feed containing a quick acting dose of Silicon, Nitrogen, Phosphorus and Potassium that is rapidly absorbed by your plants.

  • Provides an immediate nutrient boost – resulting in lush, green, healthy plants right from the start.
  • Continues to slowly release nutrients over a period of two months.
  • Add once during preparation of the growing medium or as a single hit treatment for nutrient deficiencies.
  • Silicium increases the plant’s resistance to heat, drought, pests and pathogens. It boosts the absorption of nutrients producing stronger plants with higher yields.


During preparation of growing medium:

  • Mix 50g (80ml) per 10 litres of organic growing medium, such as potting soil or coco.

As a treatment for nutritional deficiencies:

  • Make a small hole near the stem.
  • Sprinkle 25g of Silicium Flash in the hole and cover with soil.
  • Water with a solution of 2g of Bactrex per litre of water.

For Mother Plants

  • Mix 100g (160ml) per plant into the growing medium.
  • Repeat every two months for strong hardy plants.
  • Topdress or make a few holes around the stem.

Control Union Certified 100% Organic Ingredients.


Keep cool and dry. Keep out of reach of children. Not suitable for human consumption.