Bluelab Guardian Monitor Size:Replacement Probe Quickly Controls fungus gnat larvae

Quickly Controls fungus gnat larvae within 24 hours

Optimal spray coverage is achieved with precise mister placement

beneficial insects

Choose from six different 100-foot sizes

and langbeinite

Bluelab Guardian Monitor Size:Replacement Probe Quickly Controls fungus gnat larvaeAdjustable 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 Bluelab Guarantee (6 months on