Bluelab - PH Pen aqua pebbles providing a robust spectrum that

providing a robust spectrum that closely resembles natural light

ensuring fresh air circulation

​Hoyas & Epiphytic Vines: (Thrive when roots can freely wind and breathe through the open

this feed works perfectly to deliver consistent and reliable results

Benefits of the Advanced Starter Kit

Bluelab - PH Pen aqua pebbles providing a robust spectrum thatA compact and robust user friendly handheld pen which takes measurements in increments of 0. 1 pH and is fully temperature compensated to ensure accurate readings every time. Fully waterproof rather than merely water resistant, the Bluelab pH Pen is designed to float if dropped into a reservoir. Temperature display in C or F selectable. Hold function keeps the pH reading on screen for as long as required. Easy to calibrate, and calibration check mark