TrolMaster WN-9 Substrate Sensor Node | 3-in-1 Expansion Probe for WCS-9 System EC Management Best Uses: Used exclusively during

Best Uses: Used exclusively during the vegetative stage across automated drip systems

heavier buds at harvest

Complete Custom Flexibility

Stress Shielding: Protects crops against extreme temperatures

The bottle is made of Polyethylene (PVC and cadmium free)

TrolMaster WN-9 Substrate Sensor Node | 3-in-1 Expansion Probe for WCS-9 System EC Management Best Uses: Used exclusively duringProduct 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