Bluelab pH Pen Mini Bottom Tray Just trim off the rough

Just trim off the rough edge

creating a balanced environment that supports continuous nutrient interaction throughout the growing cycle

They have been making grow tents for 15 years for a reason

•6-liter ice condensing capacity

- Award-winning grow tents

Bluelab pH Pen Mini Bottom Tray Just trim off the roughA hardy, compact pH and temperature pen Perfect for quick and easy pH and temperature readings direct from your solution Fully waterproof not just water resistant Simple two point calibration process for accuracy One year peace of mind warranty Automatic temperature compensation for accurate readings everywhere Auto off function to extend battery life 1 AAA battery included simply power on and go