Bluelab Commercial pH Pen Propagation For trapping root aphids and

For trapping root aphids and fungus gnats

With less than half the flow rate of competing models

This product lowers nutrient pH

PART # DIA

1 Gallon Bag - 15x15x15cm - ideal for plants up to 48” tall

Bluelab Commercial pH Pen Propagation For trapping root aphids andBluelab Commercial pH Pen The Bluelab pH Pen is a hardy, compact, and accurate pH and temperature pen for using in nutrient solution. Use the pH pen to quickly and accurately know if your solution is too acidic or alkaline, or too hot or cold. Designed for everyday use, the Bluelab pH Pen helps you to keep your plants in the optimal pH and temperature range so that your plants can thrive. Getting started is easy. Follow the instructions to hydrate and