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Ships within 48 hours · Estimated delivery Sep 1 - Sep 6
To fill the humidifier
Scientifically Engineered: Developed through meticulous research and testing
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Fit for use in many home and grow settings like greenhouses
Aqua Master: Substrate EC/Temp E300 Pro Product:Replacement EC Electrode E300 Pro To fill the humidifierAqua Master: Substrate EC Temp E300 Pro Exclusive to Global Air Supplies, the E300 Pro is the ideal meter to measure the EC and temperature of coconut soil and other moist, soft substrates and liquids. The E300 Pro features a modern and robust housing, with easy to operate buttons. It also includes an EC electrode of unprecedented quality. The meter is delivered fully calibrated and includes batteries. Now with: Calibration indicator 2 decimal places
