BlueLab PPM Pen Broad Spectrum Insecticide Suitable for ALL hydroponic watering

Suitable for ALL hydroponic watering systems

immature stages of these insects are first observed and repeat every 7 days for 2 or 3 weeks

These pumps are extremely energy efficient

the Atlas 9 is a grower's dream

Say goodbye to stagnant

BlueLab PPM Pen Broad Spectrum Insecticide Suitable for ALL hydroponic wateringMeasures conductivity and temperature. Selectable units for conductivity and temperature. Backlit LCD display with low battery warning. Successful calibration indicator and calibration is optional. Fully waterproof. Auto off function and hold reading function. Automatic temperature compensation. Units: EC, 500 ppm, 700ppm, C, F. Range: 0. 010. 0 EC, 05000 ppm (500 ppm), 07000 ppm (700 ppm) and 050C 32122F. Resolution: 0. 1 EC, 10 ppm (500 ppm), 10 ppm