Valued Customer — Hawthorne will be updating our operating systems starting on Thursday, Nov. 5th through Sunday, November 8th. Orders must be submitted by 10:00 AM PDT on Wednesday, November 4th in order to be shipped out before system changes. Normal ordering will resume Monday, November 9th. Thank you for your patience.
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A light system will increase your electricity cost -- the exact amount depends on the size of the system and the number of hours operated. However, since these grow lights are so energy efficient, you are getting huge amounts of light (and growing power) for your money! Make sure your grow room's power circuit can handle the power draw. For safety reason, do not exceed 75% of the rated ability of the fuse/breaker (for example: use no more than 15 amps on a 20-amp circuit).
