AZ86021 Dissolved Oxygen/Ph/Salt/Tds/D.O./Temp Detector Aquaculture Pool Aquariu
AZ86021 Dissolved Oxygen/PH/SALT/TDS/D. pH, Conductivity or TDS or Salinity, Dissolved oxygen, Temperature (by using different probes). Industrial pH Sensor. Excellent to use in fresh or sea water aqua farm.