Supermix Soil Improver Organic (Plagron) 1 liter

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  • Buy 2 for 14,20 each and save 5%
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  • Buy 5 for 13,46 each and save 10%
Would you like to improve the bottom of the potting soil? This can be done with Bio Supermix. It is a unique and completely natural fertiliser. It is a real soil improver with living bacteria and fungi, vitamins and minerals, traces, and many more. Thanks to the Bio Supermix, a rich soil life is created and the resistance of the plants also improves. You now get 1 litre of Bio Supermix soil improver of Plagron.
Info Specs Reviews

Complete Soil Improver

Bio Supermix is a unique and complete natural fertilizer to improve your soil. This soil improver is balanced and has live bacteria and fungi, vitamins and minerals, spore elements, worms humus and Peru Guano for optimal plant development. Bio Supermix provides a rich soil and increases resistance.

Characteristics Plagron Supermix:

  • Stimulates soil life.
  • Increases resistance.
  • Contains all fertilizers in optimum ratio.

Application Supermix

Complete fertilizer for a rich soil. It can also be used to upgrade already used soil or soil without nutrients. If one adds 5% Bio Supermix to poor soil and takes a twice as large pot than usual, it is possible to continue the whole culture without adding any liquid fertilizers.


Outside full soil: 1 litre per 10-20 m2. Potting: 1 litre per 20 or 40 litres potting soil.

Advantages Supermix Soil Improver:

  • Bio Supermix makes additions such as worm humus and Peru Guano unnecessary.
  • This fertilizer replaces all liquid based fertilizers.
  • Bio Supermix is easy to use because it delivers time-released fertilizer.


  • Bone meal
  • Feather meal
  • Peru Guano
  • Natural phosphate
  • Betonite
  • Maerl
  • Basalt
  • Seaweed meal
  • Lava meal
  • Solution of organic NPK fertilizer (1-2-0)
  • 1.2% nitrogen total (N) from which 1.2% organic bound nitrogen
  • 1.6% water-soluble phosphorus pentoxide (P205)
  • 0.35% water-soluble potassium oxide (K20)


  • 1 litre pot

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.


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 0835
GTIN 8718104124066
Availability In Stock
Brand Plagron
Content 1 liter
Substrate / Medium Soil
Suitable for organic grow? No
Composition Powder
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