Bluelab Handheld PH Pen Botanicare Liquid Karma or LEDs for short

or LEDs for short

EC and water temperature of nutrient

Apply at the 3 – 8 leaf stage and once monthly thereafter as required

you’ll be able to spot any fluctuations

will often experience a period of rapid growth

Bluelab Handheld PH Pen Botanicare Liquid Karma or LEDs for shortThis user friendly and hardy Bluelab Handheld PH will take measurements in increments of 0. 1 ph. And is fully temperature compensated, so you can expect accurate readings every time. Product Features Benefits 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