Bluelab Commercial pH Pen King Palm Maximum feed size: 40×70 mm

Maximum feed size: 40×70 mm (1

that blocks perform as expected during the vital second phase of plant growth

Swap out cartridges after a strain is complete and slide in a new QA approved one

Mixing Chamber Kit

Bluelab Commercial pH Pen King Palm Maximum feed size: 40×70 mmBluelab Commercial pH Pen The Bluelab pH Pen is a hardy, compact, and accurate pH and temperature pen for using in nutrient solution. Use the pH pen to quickly and accurately know if your solution is too acidic or alkaline, or too hot or cold. Designed for everyday use, the Bluelab pH Pen helps you to keep your plants in the optimal pH and temperature range so that your plants can thrive. Getting started is easy. Follow the instructions to hydrate and