Bluelab Replacement pH ProbeBluelab Replacement pH Probe Adjustable brightness display. Large easy to read, plant safe green LED displays. Selectable values for conductivity and temperature. Simple push button pH calibration system. No calibration required for conductivity and temperature. Silent alarm for both high and low settings. Settings retained when power lost (non volatile memory). Temperature compensation. An international power supply. Water resistant design. 2 year

Potent and powerful high phosphorus guano consciously extracted to not disturb the bat colonies

magnesium sulphate

increase yields

MAKES 23L (6 US GALLONS) OF FINISHED WINE

But underneath it all

High light output

5 inches tall

The slim blades are made of strong Japanese steel and designed to stay sharp an extra long time

7Length (Inches)17

WORKS IN ALL ENVIRONMENTS: Simply add recommended dose to the water

organic soils

Lighting control at your fingertips