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Grodan Hugo Blocks - 6"

£349
Tax included, shipping and discounts calculated at checkout.


Grodan Hugo Blocks are large 6" rockwool cubes designed to support vigorous plant growth in hydroponic, soil, or coco systems. Made from high-quality spun basalt fibres, they offer excellent air-to-water retention, ensuring optimal root oxygenation and moisture balance. Ideal for larger plants or as a final transplant stage before harvest, Grodan Hugo Blocks deliver consistent, professional-grade results.

Key Benefits

  • 6" (150mm) cube with pre-formed hole for easy transplanting
  • Promotes strong, healthy root systems with balanced aeration
  • Uniform structure for reliable water and nutrient distribution
  • Compatible with all hydroponic, drip, or run-to-waste systems
  • Inert and sterile medium – pH neutral and clean to handle
  • Recyclable and eco-friendly growing substrate

Technical Information

  • Brand: Grodan
  • Product Type: Rockwool block growing medium
  • Model: Hugo Block 6" (150mm x 150mm x 140mm)
  • Hole Size: Pre-drilled planting hole (38mm diameter)
  • Material: Spun basalt rockwool fibre
  • Water Holding Capacity: High (maintains moisture evenly)
  • Air Retention: Excellent for oxygen-rich root zones
  • Compatibility: Suitable for use with Grodan propagation cubes and slabs
  • Application: Ideal for hydroponic systems or hand watering setups

Why Use Grodan Hugo Blocks?
Grodan Hugo Blocks are trusted by professional growers worldwide for their consistency, cleanliness, and root performance. Their large size allows for extended growth cycles and exceptional support for mature plants, making them a perfect choice for high-yield hydroponic or greenhouse growing.

Buy Grodan Hugo Blocks – 6" at GoGrow
At GoGrow, we stock Grodan Hugo Blocks and the full Grodan range with fast UK delivery and expert advice. Order today to give your plants a stable, oxygen-rich foundation for maximum growth and yield.