HM Digital Hydromaster Portable - pH/TDS/EC/Temp aaron Tested by NSF 401 to

Tested by NSF 401 to reduce 95

The resin is insoluble in acids

Panels are fastened together with 5/16 bolts for maximum rigidity

Non-GMO seed

Sun System LEC Commercial Fixture 208-240V 4200K – High-Performance CMH Grow Lighting

HM Digital Hydromaster Portable - pH/TDS/EC/Temp aaron Tested by NSF 401 toDescription HM 200: Portable pH EC TDS Temp Monitor The HM 200 is a versatile portable 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