Bluelab pH Pen mammoth Simple to Refill: Easy-to-fill jar

Simple to Refill: Easy-to-fill jar snaps securely onto the base for hassle-free setup and refilling

superfoods (kale

Natural Banana Flavor

Perennial Ryegrass 10% Highly palatable

Bluelab pH Pen mammoth Simple to Refill: Easy-to-fill jarThe Bluelab pH Pen is a handy option for hobby and small scale hydroponic growers. Maintaining proper pH levels is key in raising healthy, fruitful plants, and this pen accurately measures both the pH and temperature in hydroponic systems. Its fully waterproof and also features a backlit LCD with the option to display in Celsius and Fahrenheit, double junction probe, successful calibration indicator, hold function, low battery warning, auto off