The TrolMaster Aqua-X Plus Controller is an upgraded version of the Aqua-X
oxidizers and chelators for the removal and prevention of scale
and to help plants get the CO2they need for efficient photosynthesis
fruit and nut trees
Exposed temperature probe for faster EC/TDS readings
HM Digital HM-100 Continuous pH/EC/TDS/Temp Monitor CustomPrice The TrolMaster Aqua-X Plus ControllerThe HM Digital HM 100 Continuous pH EC TDS Temp Monitor is ideal for all water quality testing, hydroponics, water purification applications, wastewater regulation, aquaculture, colloidal silver, labs & scientific testing, pools & spas, ecology testing, boilers & cooling towers, water treatment and more. Measures Potential Hydrogen (pH), Electrical Conductivity (EC), Total Dissolved Solids (TDS), Salinity and Temperature Four scales: pH, mS, ppm 0. 5