Bluelab Conductivity Pen lighting-&-electrical-components This formula has been specially

This formula has been specially designed speed up absorption rates and can start affecting your plants within a couple of hours after use

• Indoor Soil Mix

Protects grow chambers and nutrient solution from contamination by dust and debris

VYPR 2x is comparable to VYPRx with a 20% increase in output and a shorter form factor

Essential oil based

Bluelab Conductivity Pen lighting-&-electrical-components This formula has been speciallyMinimum 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,