1l Catalyst

Super-concentrated organic seaweed extract enhanced with vitamins, trace elements and amino acids.

Concentrated seaweed extract to kickstart root and shoot growth in the first 4 weeks of an organic grow schedule.


  • Improves seed germination
  • Encourages rapid, powerful growth in roots and shoots
  • Increases protein, carbohydrate and chlorophyll production
  • Increases root bioactivity

100% organic seaweed extract. 

Nitrogen (N) 0.1%

Phosphorous pentoxide (P2O5) 0.2% (0.1%P)

Potassium oxide (K2O) (1.0%K)

Magnesium oxide (MgO) 0.5%

Content 1L
Dilution 1ML/L

1 Litre Catalyst

  • 43.40€

  • Ex Tax: 35.87€

  • Free shipping from €100,- BE/NL/DE

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Tags: 1 Litre Catalyst