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Ships within 48 hours · Estimated delivery Sep 13 - Sep 18
Chrome-bevel sheet on grid paper — specs and return notes filed under the bay.
Sachets are sealed against light and air and are ideal for on-the-spot calibration
Compatible with all Hydrofarm heat mats
Only lightly charged with organic nutrients
forestry and food and non-food crops
it is recommended to add directly to reservoirs on a regular basis as part of a plant maintenance program
Non-Woven Poly 6 Mil - Blackout - 25' x 150' Extension Sachets are sealed against lightThe Blackout Greenhouse poly ensures no light will reach your plants until you want it to! Blackout Poly is the ideal covering for light deprivation greenhouse setups and is black on one side with a reflective white outer layer to further prevent light penetration. Using blackout poly on your greenhouse is found to result in improved production and increased plant yield that comes from growing year round regardless of weather conditions, and it is
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