Bluelab Soil pH Pen Pen and Probe Cover, no additional solution

***Very good condition, Ph Pen by the industry leader Bluelab. As pictured, ph pen only without additional storage or ph solution. Please examine photos and/or ask questions prior to purchasing. Thanks for looking. All sales final. ***
Measures temperature and pH (acid or alkaline) in nutrient solution, soil, and other media for precise up and down adjustment with lab quality glass probe; General uses include growing tent, swimming pool, aquarium, fish tank, coco, and rockwool. Durable design for repeated uses and fully waterproof.
More accurate and convenient than test strips and other testing methods; Combine with TDS pen, meter, and other testers for full garden nutrients monitoring in water and soil
Other features: Auto off function, low battery indicator, and units for temperature.
Made in New Zealand and manufactured by Bluelab, the industry leader in hydroponic testing equipment.