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Urtimax, formerly known as Urtica, is made by Terra Aquatica with the best nettle extract on the market.

Boost your cannabis plants' resistance to pests with this organic additive.

It contains easily absorbable silicon and iron, which help delay the appearance of deficiencies.


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Urtimax by Terra Aquatica protects and nurtures your Cannabis plants.

Type and Use

Urtimax is an organic additive made with fermented nettle extract, designed to stimulate the immune system of your plants. It can be applied via watering or spraying.

Plant Benefits

It stimulates growth and delays the appearance of deficiencies. Increases the resistance of plants against pest attacks, such as whiteflies and aphids.


The nettle extract contained in this additive is rich in silicon and iron primarily, in addition to potassium, nitrogen, magnesium, enzymes, and micronutrients.

How to Use and Dosage

  • Watering: Add 30 mL per liter of Urtica in three applications: at the beginning of growth and twice more every fortnight.
  • Spraying: Mix 20 mL per liter of non-calcareous water and spray early in the day.

La Huerta's Opinion

Here at La Huerta Grow Shop, we recommend combining this product with the additives Humic or Fulvic.

Data sheet

Type of composition
Bio or organic
Growth stage
Type of stimulant or additive
Nutrtional complement
Type of grow
Aeroponic grow
Coco grow
Hydroponic grow
Soil grow
Type of infestation
White flies

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