Pay in 4 interest-free payments of $31.12 Learn more
Ships within 48 hours · Estimated delivery Aug 29 - Sep 3
temperature fail-safes
Neither helps if the container is far too big for either
Color: Black w/ Green Guide Markings
It is the economy pick in the GrowoniX carbon line
Growlink Terralink Substrate Sensor Humidity Control temperature fail-safesReading the Root Zone with the Growlink TerraLINK Substrate Sensor The Growlink TerraLINK Substrate Sensor reads volumetric water content, bulk EC, and root zone temperature directly inside coco or rockwool. The probe runs as a TDR substrate probe Time Domain Reflectometry so EC drift doesn't corrupt the VWC number during aggressive drybacks. VWC reads 0. 01. 0 m m at 0. 02 from 053% and 0. 04 above. Bulk EC spans 020,000 S cm at (5% + 10 S cm) up to
US$ 117.37
US$ 130.63
US$ 74.60
US$ 111.71
US$ 162.80
