Bluelab pH Pen Garden Trays & Saucers perfect for quick readings in

perfect for quick readings in any growing environment

for best results when doing this lower the pH to 5

Improved Light Distribution: Reflective surface maximises light output and directs it downwards towards your plants

which the unit will work to maintain

use with a CO2 Monitor

Bluelab pH Pen Garden Trays & Saucers perfect for quick readings inTake control of your plants growing conditions with the Bluelab pH Pen, a reliable and easy to use tool for both indoor and outdoor growers. This pen provides precise pH readings, ensuring your nutrient solution is perfectly balanced for optimal nutrient uptake. Suitable for use in soil, hydroponics, and coco coir, the Bluelab pH Pen is highly effective at helping to maintain a healthy growing environment and promoting vigorous plant growth. Accurate