HM Digital Hydromaster 100 - Continuous pH/TDS/EC/Temp meter fans-ventilation-ducting A multiple point CO2 and

A multiple point CO2 and T factory adjustment procedure leads to excellent CO2 measurement accuracy over the entire T working range

removing a stain or increasing the health of your garden the Viagrow Food grade DE is a product you will always want to have on hand

ISO9001:2015 Certified Manufacturer of 30+ years

Lock channel with spring wire

Apply as a foliar spray to improve crop resistance to stress

HM Digital Hydromaster 100 - Continuous pH/TDS/EC/Temp meter fans-ventilation-ducting A multiple point CO2 andDescription HM 100: Continuous pH EC TDS Temp Monitor The HM 100 is a pH EC TDS Temp monitor ideal for all water quality testing, hydroponics, water purification applications, wastewater regulation, aquaculture, colloidal silver, labs and scientific testing, pools and spas, ecology testing, boilers and cooling towers, water treatment and more. Features Measures Potential Hydrogen (pH), Electrical Conductivity (EC), Total Dissolved Solids (TDS),