Bluelab PH Pen Air Movement Fans Carbon filter included: 250mm /

Carbon filter included: 250mm / 750mm – 1800 m³/h

Trim the tubing with scissors to make two tubes of your desired length

Lifetime: 50

Because it is a coconut substrate formula

Choose from 4 dimmable options: 250W

Bluelab PH Pen Air Movement Fans Carbon filter included: 250mm /Elevate Your pH Testing with the Bluelab pH Pen A Precision pH Tester with Temperature Compensation When it comes to measuring the acidity or alkalinity of your nutrient solution, you need a tool that guarantees accuracy and reliability. Enter the Bluelab pH Pen, a trusted companion for growers worldwide, renowned for its precision. This compact, handheld device is equipped with temperature compensation, ensuring not only highly accurate pH readings