Blue Lab pH Pen trolmaster Soluble Potash (K2O) 1

Soluble Potash (K2O) 1

agitate well until dissolved

you can enhance growth while  promoting flowering

Remember that due to its high concentration

Blue Lab pH Pen trolmaster Soluble Potash (K2O) 1The 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 accurate system for ensuring optimum plant growth and health. Features: Measures pH and temperature, Selectable units for C & F, Backlit LCD display, Double junction probe (not replaceable), Successful calibration indicator, Hold