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This procedure may be used at any time during vegetative or flowering phases if the growing media or irrigation system develops mineral imbalance or unwanted buildup
The Bluelab Soil pH Pen provides a pH and temperature reading of soils and media
NPK / 3 - 7 - 4
place the ExHale bag in close proximity to the fresh air intake
HM Digital PH-80 pH/Temperature Meter DH55A77 This procedure may be usedThe PH 80 is an economically priced, reliable pH meter that is ideal for testing applications such as hydroponics & gardening, pools & spas, aquariums & reef tanks, water ionizers, drinking water and more. FEATURES Measures pH and temperature One touch automatic digital calibration Water resistant Simultaneous temperature display Sleek, lightweight design Large LCD display Automatic Temperature Compensation (ATC) Auto off function, data hold function
US$ 80.00
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