The Bluelab PH Pen is a professional quality pH pen for measuring the pH level of water for plant, hydroponic and aquarium use. It is an easy to use, reliable and accurate hand-held device designed to help you get the most out of your plants. This pen quickly and accurately measures the pH levels of your water, allowing you to make adjustments to optimize growth and health. The pen also features an LED display that clearly shows the pH level, so you can easily make adjustments as needed. With its advanced technology and simple design, the Bluelab PH Pen is the perfect tool for any gardener or aquarist looking for reliable and accurate pH readings.
