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State-of-the-art electronic
and no off-gassing to harm plants
ideal amounts of iron and sulfur for optimal nitrogen uptake
This allows warming of two complete propagation trays to their edges
There is no change to the unit itself
Grower's Edge® Large Display Digital Thermometer & Hygrometer DE State-of-the-art electronicGrower's Edge Large Display Digital Thermometer & Hygrometer Measures indoor outdoor temperature & indoor humidity. Stores the Min. Max. values of the indoor outdoor temperature and indoor humidity. Switch between C and F. Clock function with 12 24 hour time format. Waterproof temperature probe. Comes with 1 AAA alkaline battery.
US$ 56.62
US$ 59.60
US$ 74.78
US$ 55.25
US$ 56.62
