Bluelab - PH Pen pythium Soil – Follow above instructions

Soil – Follow above instructions until the plants are the height you want and then dose at 1 – 2ml per litre with the usual feeding schedule

from California's Emerald Harvest

9 line of Zeus is built using high quality Lumatek drivers and latest generation higher efficiency top bin LEDs from Lumileds and Osram

based on NPK values

we understand the importance of maintaining balanced elemental bioavailability during the flowering phase

Bluelab - PH Pen pythium Soil – Follow above instructionsA 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