Combination Water Meter Kit with Dissolved Oxygen Probe fans-ventilation-ducting Speed Controller: Each kit features

Speed Controller: Each kit features a controller on the power cord

INGREDIENTS

For the best results

stopping in late flowering

Combination Water Meter Kit with Dissolved Oxygen Probe fans-ventilation-ducting Speed Controller: Each kit featuresThis Multi Purpose Water Meter can Measure Dissolved Oxygen (DO) , pH, Conductivity, TDS, Salinity or Temperature Using Different Probes. The kit includes includes one DO probe. Additional probes (optional) also allow it to operate as a highly accurate pH meter, Conductivity meter, TDS meter, Salinity meter or DO meter as desired. Probes change are easily changed and include specially designed guards to prevent tip damage. This meter is the ideal tool