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potted plants and planter boxes: Blend 30 ml per 4 L (2 tbsp per gallon) of soil or growing medium
Extraction 225 cfm
It comes with an Aluminum top and bottom to reduce weight and increase ease of installation
It is designed for air-cooling and can be used in different forms of heating and ventilation applications
Add 600 grams of dry plant matter
Bluelab PH Pen Growing Media potted plants and planter boxes:Bluelab PH Pen Measures pH and temperature. Selectable units for C and F. Backlit LCD display. Double junction probe (not replaceable). Successful calibration indicator. Hold reading function and low battery warning. Fully waterproof with auto off function. Automatic temperature compensation. Along with Bluelab pH Probe KCI Solution, Bluelab pH 7 and Bluelab pH 4 Solution Sachets are now included. Range: 0. 0 14. 0 pH 0 50C 32 122F. Resolution: 0. 1
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