Growlink Terralink Substrate Sensor Humidity Control 75 cubic feet per bag

75 cubic feet per bag

Skim off the floating granules once this time has passed

Color: Black w/ Green Guide Markings

No vacuum is required

True Liberty Liberty Bags are made with 100% food-grade Nylon and come in a variety of sizes

Growlink Terralink Substrate Sensor Humidity Control 75 cubic feet per bagReading the Root Zone with the Growlink TerraLINK Substrate Sensor The Growlink TerraLINK Substrate Sensor reads volumetric water content, bulk EC, and root zone temperature directly inside coco or rockwool. The probe runs as a TDR substrate probe Time Domain Reflectometry so EC drift doesn't corrupt the VWC number during aggressive drybacks. VWC reads 0. 01. 0 m m at 0. 02 from 053% and 0. 04 above. Bulk EC spans 020,000 S cm at (5% + 10 S cm) up to