Bluelab Guardian Monitor Size:Monitor These are sharp

These are sharp

Diamond Nectar applies the chelating action of humic acids to nutrient rich hydroponic environments by grabbing immobile and molecularly heavy compounds

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Mighty may be used on fruits and vegetables and can be used indoors

Bluelab Guardian Monitor Size:Monitor These are sharpAdjustable 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