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potting soil indoor plants Indoor Plant Potting Soil - PuckCompressed Coconut Coir Growing Medium Lightweight. Clean. Expands instantly with water. This compressed coconut coir grow medium is a versatile, peat free planting base designed to support healthy root development and balanced moisture retention. Use it on its own as a grow medium or mix it into existing soil to improve aeration, drainage, and hydration. Suitable for indoor plants, seed starting, microgreens, herbs, vegetables, flowers, container
Compressed Coconut Coir Growing Medium
Lightweight. Clean. Expands instantly with water.
This compressed coconut coir grow medium is a versatile, peat free planting base designed to support healthy root development and balanced moisture retention. Use it on its own as a grow medium or mix it into existing soil to improve aeration, drainage, and hydration.
Suitable for indoor plants, seed starting, microgreens, herbs, vegetables, flowers, container gardens, raised beds, and hydroponic growing systems. The coir is raw and unamended so you can customize nutrients based on your plant’s needs.
Made from natural coconut husk fiber, this renewable medium offers a sustainable alternative to peat based soils while providing excellent structure for root growth.
Available sizes
Coir Puck
Each puck is approximately 60 mm. Add about 1 cup of water per puck
Expands to approximately 5.5 quarts of growing medium per roll
Coir Brick Pack
Compressed bricks measuring approximately 20 × 10 × 5 cm. Add about 10 cups of water per brick
Expands to approximately 4.5 gallons of growing medium per pack
Note on sizing
Coconut coir is a natural material. Minor variation in puck or brick dimensions can occur.
Key benefits
Expands quickly with water
Just add water and the compressed coir expands up to approximately fifteen times its original size.
Improves root health
Promotes strong root systems by balancing moisture retention and airflow.
Clean and easy to store
Lightweight compressed format saves space and reduces mess during storage and transport.
Sustainable material
Produced from untreated coconut husk fiber. Peat free and OMRI listed for organic growing.
Versatile growing medium
Ideal for seed starting, houseplants, microgreens, container gardens, raised beds, and soil conditioning.