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Microbe Brew
It is made of ground
you will be maximizing your conductivity probe's longevity & accuracy
you can place the plug and your seedling directly into their next grow media or hydroponic system
Y Ventilation Connectors DOSING Microbe BrewThese Y Ventilation Connectors are made with durable, galvanized steel and feature a solid, air tight construction. Their single piece design guarantees an air tight seal within ventilation systems making them preferable to use compared to adjustable duct connectors.
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