Bluelab Conductivity Pen grow-light-bulbs Set the desired shutdown temperature

Set the desired shutdown temperature and the off time before bringing the lights back on

• Calculates both single-use and total water consumption

water ionizers

Holds up to 25 lbs

Always check for pH and CF levels

Bluelab Conductivity Pen grow-light-bulbs Set the desired shutdown temperatureMinimum Order Quantity is 3 pieces. The ultimate handy solution for measuring conductivity! The Bluelab Conductivity Pen is the latest innovation for hand held conductivity meters. It provides a compact, quick and handy way to manage the success of your crops. The Bluelab Conductivity Pen simply tells you that your plants have the right amount of nutrient in your solution and lets you know if adjustments are needed. Display options available in C, F,