Bluelab pH Pen - Temperature Compensated Digital pH Tester – Complete Feeding, No Guesswork
Our thoughts
Straightforward nutrients that work consistently without complications. Simple, reliable feeding that delivers results.
The Bluelab pH Pen is a great little hand-held device for measuring the acidity/alkalinity of your nutrient solution. Bluelab products are trusted by growers across the globe for their accuracy and reliability – the handy new pH Pen is no exception! With temperature compensation, it provides highly accurate readings, as well as displaying the temperature of your nutrient solution onscreen.
Our take
Works consistently without overcomplicating your feeding schedule. Particularly well suited to new growers. Worth picking up if you want straightforward feeding without the hassle.
