HM Digital Handheld TDS Tester Model TDS-3 Advanced Nutrients Our new HEAVY DUTY modular

Our new HEAVY DUTY modular commercial heat mats will provide uniform heat for hundreds of seedlings or cuttings

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They are standardized using a conductivity meter calibrated with NIST potassium chloride

Specification Value Guaranteed Analysis 0-0-1 (1% Soluble Potash

The R-Spec variant builds on the legacy of the HLG 550 V2 R-Spec with newer Samsung diodes and an optimized spectral blend for flowering applications

HM Digital Handheld TDS Tester Model TDS-3 Advanced Nutrients Our new HEAVY DUTY modularIdeal for commercial use. Includes a carrying case with belt clip. Highly efficient and accurate due to its advanced microprocessor technology. Hold Function: saves measurements for convenient reading and recording. Auto off function: the meter shuts off automatically after 10 minutes of non use to conserve batteries. Measurement Range: 0 9990 ppm. Built in digital thermometer Display: large and easy to read LCD screen. Factory Calibrated: our meters