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100% coco substrate they can dial in themselves rather than a heavily pre-buffered medium
The more you can minimize the physical path the duct takes
Controller compatibility: RJ45
rinse it properly before use
Start (Terra only): Extra push for young plants to get explosive early growth
Vortex Acoustic Ducting - 5 Metre Length Size:12" 100% coco substrate they canVortex Acoustic Ducting 5 Metre Length Noise Reduction for Grow Room Ventilation Best for: Growers wanting to cut fan noise without swapping their entire ventilation system Our thoughts If noise is the weak point in an otherwise solid setup, this is the quickest fix. A short run of acoustic ducting on the extraction side takes real edge off the hum without killing airflow. We've used it enough times to know it works noticeable difference, simple
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