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Perlite is a laminar structured mineral made up of magnesium, iron, and aluminum silicates. Vermiculite retains moisture and increases the aeration of the substrate. It boosts root mass and contributes to the enhancement of the growth of the cannabis plant indoors or outdoors.


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Type and Use

Perlite is a man-made expanded mica mineral that's added to soil to improve moisture retention and aeration.

Plant Benefits

  • It has a PH close to 7
  • It's light, doesn't interfere with the growth of rootlets or root capillaries
  • It's pest and disease-free
  • Absorbs a large amount of water
  • Enhances the aeration of the substrate
  • It moistens easily, making it effective for rehydrating dry substrates.
  • It is appropriate in nurseries to maintain the substrate moisture and prevent drying.

Instructions for Use

Mix with the substrate at a 1/5 ratio.


Each bag contains 2 litres of vermiculite

La Huerta's Opinion

Vermiculite should be handled when damp.

To improve the drainage and aeration of the substrate you may also be interested in: Perlite and Arlita available at La Huerta Grow Shop


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