TrolMaster WN-9 Substrate Sensor Node | 3-in-1 Expansion Probe for WCS-9 System Filters while the coco coir provides

while the coco coir provides excellent water and nutrient retention

Tent-X: (TCS-1)

PGR-free 3-in-1 bloom booster uses natural plant hormones to maximize buds and extend flowering

25ft Flexible Ducting (4") & Steel Clamps (x2): Durable

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TrolMaster WN-9 Substrate Sensor Node | 3-in-1 Expansion Probe for WCS-9 System Filters while the coco coir providesProduct Overview The TrolMaster WN 9 is the dedicated sensing engine behind the revolutionary WCS 9 system. Engineered for professional cultivators who refuse to rely on single point data, the WN 9 is a professional grade 3 in 1 measurement probe designed to capture hyper accurate root zone metrics. Whether you are working with traditional soil or high bulk EC soilless substrates, the WN 9 provides the verified data required for elite crop steering