Blue Lab pH Pen trolmaster 000 hours which allows the

000 hours which allows the duct fan unit to be mounted in any direction

Soluble Potash (K2O) 1

Bluelab Chamois (conductivity probe cleaning instrument)

Increases protein and carbohydrate production

Blue Lab pH Pen trolmaster 000 hours which allows theThe 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