TrolMaster WN-9 Substrate Sensor Node | 3-in-1 Expansion Probe for WCS-9 System Filters 4x Side access Ventilation Extraction

4x Side access Ventilation Extraction Socks 8 x 340mm ports (20% oversized) 8 x 340mm ports (20% oversized) Air Circulation Ports 6 x 275mm ports (20% oversized) 6 x 275mm ports (20% oversized) Electrical Cable Entries 4 x 100mm double-cuff ports 4 x 100mm double-cuff ports Passive Fresh Air Intake 6x Micro-mesh screened passive vents 6x Micro-mesh screened passive vents Irrigation Ports 4x Ground level ports & 1x Uplift bar 4x Ground level ports & 1x Uplift bar Canopy Inspection Window 1x Green night-vision viewing window 1x Green night-vision viewing window Spill Protection Tray 1x Heavy-duty removable waterproof liner 1x Heavy-duty removable waterproof liner

while the coco coir provides excellent water and nutrient retention

or evaporative waste

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

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TrolMaster WN-9 Substrate Sensor Node | 3-in-1 Expansion Probe for WCS-9 System Filters 4x Side access Ventilation ExtractionProduct 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