Blue Lab pH Pen trolmaster 000 hours which allows the

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

Remember that due to its high concentration

agitate well until dissolved

Increases protein and carbohydrate production

High initial and maintained lumens

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