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Euro Pebbles by Plagron is a professional-grade expanded clay substrate suitable for hydroponic cultivation. It can be mixed with soil-based or coconut fiber substrates to improve their properties or used as drainage at the bottom of the pot.

Euro Pebbles by Plagron retains moisture and aerates the substrate.

Available in 10-liter bags.


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Plagron's Euro Pebbles are made from pure, salt-free clay that's expanded in an open oven to gain its characteristic irregular shape and enhance its properties.

Type and use

Plagron's Euro Pebbles are a high-quality inert substrate for growing cannabis in hydroponic systems. It's also a suitable substrate for placement in the base of the pot in soil or coco substrate cultivation to improve drainage.

Plant benefits

  • Euro Pebbles is a clean substrate free from salts and soil pathogens.
  • It has a high water and oxygen absorption capacity.
  • An ideal substrate to use in hydroponic cultivation with recirculating irrigation water.
  • Euro Pebbles is perfect for growers who want to achieve the highest yield from their indoor cannabis crops.
  • When applied to the base of the pot, it provides perfect drainage for cultivation in soil or coco.


Expanded clay balls (8-16mm)

La Huerta’s Opinion

When used with fertilizers for hydroponic cultivation such as Hesi Hydro Growth and Hesi Hydro Flowering Euro Pebbles from Plagron achieves the highest yields.

Euro Pebbles is a clean product, however, transportation can cause dust from the material's friction which is why we recommend rinsing it before using in recirculating irrigation water systems.

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