GF EC Probe (For NDS, NDK) 8 Inch Beneficial Biology Support: feeds root-zone

Beneficial Biology Support: feeds root-zone microbes to improve soil health and indirect nutrient availability through the grow cycle

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Stratiolaelaps scimitus (Hypoaspis miles)

GF EC Probe (For NDS, NDK) 8 Inch Beneficial Biology Support: feeds root-zonePVDF Conductivity Electrode for the Growlink Nutrient Doser System The 2841 electrode pairs a PVDF insulator with 316 SS contacts and FKM internal O rings. The wetted side handles standard hydroponic feeds without crazing. The 1. 0 cell constant covers 10 to 10,000 S the band where fertigation EC actually sits. The 3 4 in NPT thread drops into any inline tee or submersion saddle. A 15 foot factory cable connects the electrode to the 2850 electronics.