Bluelab pH Pen Mini Bottom Tray Just trim off the rough

Just trim off the rough edge

We use premium coco grow media which is triple washed

We’ve made our new bags stronger and thicker than ever before

•6-liter ice condensing capacity

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