BlueLab pH Pen pH Up delivering consistently impressive results

delivering consistently impressive results

except calcium-based and magnesium-based fertilizers

Outside Dimensions: 49

1x bottle Structure formula

Smoother edges for improved safety

BlueLab pH Pen pH Up delivering consistently impressive resultsBluelab pH Pen Tester Meter The 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