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Ships within 48 hours · Estimated delivery Oct 12 - Oct 17
• Essential elements are NOT derived from harmful chemicals such as a urea and ammonia nitrate
With the Hydrofarm 20 x 3 Inch 7
additional shipping fee will probably apply (due to light weight but large volume)
soilless garden needs
monitor or controller
ROCKWOOL Mini Blocks 1.5" Starter 45 MM4040 pH • Essential elements are NOTStarter 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
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