TrolMaster WN-9 Substrate Sensor Node | 3-in-1 Expansion Probe for WCS-9 System EC Management heavier buds at harvest

heavier buds at harvest

Trusted worldwide for professional‑grade results

The balanced ratio of nitrogen supports structural cell development and green leaf canopy growth during the vegetative phase

The highly concentrated Biozym is used at a ratio of  1ml to 1

TrolMaster WN-9 Substrate Sensor Node | 3-in-1 Expansion Probe for WCS-9 System EC Management heavier buds at harvestProduct 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