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Grodan 1.5" Rockwool Starter Mini-Blocks + Twin Canaries Chart (15 Blocks)
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*Price and Stocks may change without prior notice
*Packaging of actual item may differ from photo shown
- Electrical items MAY be 110 volts.
- 7 Day Return Policy
- All products are genuine and original
- Cash On Delivery/Cash Upon Pickup Available
Grodan 1.5" Rockwool Starter Mini-Blocks + Twin Features
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Made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs
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Has a tremendous capacity for absorbing nutrient solution while retaining plenty of oxygen for rapid plant growth
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Seedlings or cuttings started in the Grodan cubes can also be transplanted into more traditional planters and growing mediums
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Twin Canaries Chart included with every order!
About Grodan 1.5" Rockwool Starter Mini-Blocks + Twin
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. These cubes are popular for production of aquatic plants. The advantage Mini-Blocks have over A-OK Starter Plugs and Macro Plugs is that Mini-Blocks can sit in a tray without support.
