Start your own plants with the Upstart Professional Rootzone Heating Kit, a professional hot water rootzone heating system. The Upstart head unit is attached to a domestic hot water heater. Hot water is pumped through BioTherm’s Roll’N Grow heating mat. Plants are placed directly on the mat. The media temperature sensor tells the head unit when to cycle on and off to maintain optimum media temperature. Handles up to 500 sq. ft. of rootzone heating.
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