Aqua Master Tools E50 Pro EC & Temperature Meter GroWell Dudley #html-body [data-pb-style=XIX2SIT]

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you can safely use it with any type of plant

Ideal for SCROG (Screen of Green) growing techniques

make sure you always extract more air than you draw in - run intake fans at a slower speed (around 20% slower)

Use air vents or a second

Aqua Master Tools E50 Pro EC & Temperature Meter GroWell Dudley #html-body [data-pb-style=XIX2SIT]Accurate EC Meter with Temperature Compensation and Temperature Readings Get an accurate nutrient temperature & EC reading with this pen. With the automatic temperature compensation, your EC reading is always accurate. It comes fully calibrated and batteries are included. To save battery life, the pen will automatically shut off after 8 minutes. There's a low battery indicator and calibration indicator so you can ensure your pen is working correctly.