Bluelab Ph Pen

The Bluelab pH Pen is the latest innovation for hand held pH meters and is the ultimate handy solution for measuring pH. The 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 the Bluelab EC truncheon, you have a handy, convenient and accurate system for ensuring optimum plant growth and health.