Growstone Hydroponics Substrate - 1.25 cubic foot

Growstone Hydroponics Substrate - 1.25 cubic foot

Growstones are earth friendly, with 97% of their content consisting of recycled glass products. Even the bag is made from recyclable paper.

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$31.95
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Growstones are earth friendly, with 97% of their content consisting of recycled glass products. Even the bag is made from recyclable paper.

They are engineered to meet the specific needs of hydroponics growers and you can use Growstones in most hydroponic systems. The average size of each particle is 1/2-inch.

Why are Growstones a good choice for your plants? They are light-weight to prevent root damage, and provide the ideal ratio of water retention / aeration for optimum root health.

The use of Growstones growing media in hydroponics adds valuable levels of silica to your plants. The benefits of silica are huge to indoor gardeners and include:

  • Thicker leaf cuticles which helps to reduce powdery mildew, fungus, and insects (like spider mites and leaf miners) by making it difficult to penetrate the leaf surface causing harm to the plant.
  • Protection from plant stresses such as heat and drought.
  • Promotes better use of light by the plants for faster growth.
  • Plants can better withstand temperature extremes.
  • Strengthens the plant stems allowing them to support heavier fruits & flowers (less trellising).
  • Thicker cell walls on fruits and flowers = stay fresh longer / longer shelf life.

Made in the USA.