Grodan Rockwool 1.5″ x 1.5″ x 1.5″ Mini Blocks Pack of 45

Amazon.com Price: $16.55 (as of 01/10/2022 05:12 PST- Details)

Description

Starter Mini-Blocks can sit in a tray (flat) without support for easy starting of seeds and cuttings. 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. The advantage Mini-Blocks have over A-OK Starter Plugs and Macro Plugs is that Mini-Blocks can sit in a tray without any support.

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