Bluelab pH Pen with The pH TDS meter runs

The pH TDS meter runs CAL Check diagnostics and will display either “Probe is OK” or “Clean Probe and Calibrate”

Remove scissors and wipe clean with a soft cloth or paper towel

Advanced Nutrients hires world-class microbiologists who practically live in the laboratory

including Osram/Samsung LED arrays

5 Seer Multi-Zone Heating & Cooling Outdoor Unit

Bluelab pH Pen with The pH TDS meter runsThe Bluelab pH Pen is the latest innovation for hand held pH meters and is the ultimate handy solution for measuring pH. Hydroponic growing lets you give the best care possible to your plants. The quality of care is in your control. The Bluelab pH Pen provides a compact, quick and handy way to manage the success of your crops to ensure maximum uptake of nutrients. Teamed with our Bluelab EC Pen or Bluelab ppm Pen, you have a handy, convenient and