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- Precise external temperature sensor on 20 inch (50 cm) cable to place at plants top level: ±1
and landscape plants
Full spectrum light enhances the color of ornamental flowering indoor plants
Note: Due to the battery placement
Bluelab Grower's Toolbox spl_centurionpro - Precise external temperature sensorThe Bluelab Growers Toolbox combines the essential tools you need to easily manage your crop by measuring the pH, conductivity (ppm) and temperature of the nutrient solution. Learn the hydroponics basics with the Grow Book, so you can get going. And keep growing with the ultimate handy team, the Bluelab pH Pen and Bluelab ppm Pen. These clever little pens make it easy to measure the nutrient uptake (pH), the amount of food available (ppm) and the