Rockwool / Stonewool 1.5 Inch Cubes – 45 Pack

$9.46

Made in Denmark since 1969, rockwool (also called stonewool) is widely recognized as the ideal growing substrate. For any growing application, rockwool offers speed, ease of use and cleanliness.

  • 1.5″ cubes are excellent for seed starting, clone propagation, and seedling sorting/development.
  • Individually wrapped cubes hold the rockwool’s shape and prevent algae growth.
  • Pack of 45.

Out of stock

Description

Starter Mini-Blocks™ can sit in a tray (flat) without support for easy starting of seeds and cuttings. They are individually wrapped to minimize algae growth. For best results put them on the flat side of the Gro-Smart Tray™ to ensure good airflow around the cubes. Remove wrapping and transplant into any loose media such as Grow-Cubes™ or Grow-Chunks™, or leave wrapping on and set on top of a larger Gro-Block™. These cubes are popular for production of aquatic plants. The advantage Mini-Blocks have over A-Ok Starter Plugs™ and Macroplugs™ is that Mini-Blocks can sit in a tray without support.

Cubes measure 1.5″ x 1.5″ x 1.5″ each. Perfect for seed starting, cuttings and clones. Made in Denmark since 1969, rockwool (also called stonewool) is widely recognized as the ideal growing substrate. For any growing application, rockwool offers speed, ease of use and cleanliness. Grodan and Paragro rockwool is known for its top quality, consistency, and performance.

Additional information

Weight 1 lbs
Brand

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