Silic Rock (Plagron)

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Your weed plant must be able to properly absorb the nutrients it desperately needs. That is exactly why you use Plagron Silic Rock. This silicon-based fertilizer strengthens the cell walls and therefore increases your plant's resistance. Because of the shape of the silicon this weed nutrition can be effortlessly absorbed by your weed plants. As a result, calcium, phosphorus and numerous micronutrients can be better absorbed. You can use Plagron Silic Rock throughout the entire grow. Quick, simple and discreet: order bottles of 250 ml or 1 liter.

Info Specs Reviews

Better absorption of nutrients and therefore a higher performance from your weed plant? You can do this with Silic Rock from Plagron!

Plagron Silic Rock for better performance

Silic Rock is not a normal plant nutrition, but a silicon fertilizer. The nutrition contains silicon in a certain shape, which can be easily absorbed by the plant. It helps against a silicon deficiency and improves the absorption of nutrients such as phosphorus, calcium and micronutrients. You can also use Plagron Silic Rock to:

  • Strengthening the cell walls of the weed plant
  • Increase its resistance throughout the life cycle
  • Improve the performance of the weed plant

Silic Rock Dosage & Use

Shake the bottle well before use. This nutrition should be used with every watering during the entire grow. So both in growth and in the flowering phase. Use 1 ml of Silic Rock per 1 liter of water (1:1000).

Plagron Silic Rock is not suitable for hydroponic cultivation. Do you use an irrigation system? Then you must flush the pipes thoroughly after use.

Composition Plagron Silic Rock

NPK fertilizer (1.5-0-1.7), SiO2 (1.0%)

Shelf life:

Unopened products have a shelf life of 4 years. Check the shelf life based on the batch number on the packaging. Have you opened a product? Then it has a guaranteed shelf life of 6 months.


Bottle of 1 liter or 250 ml Plagron Silic Rock


Plagron has been producing a wide assortment of high-quality substrates, base fertilizers and additives for many years. The company is one of the market leaders for more than 25 years. Plagron products are intended for many kinds of breeders and guarantee excellent breeding performances.

SKU G-2784
Brand Plagron
Content 1 liter / 250 ml
Substrate / Medium Soil
Suitable for organic grow? No
Composition Liquid
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