Thank you for shopping at Groindoor.com! If you’ve changed your mind about your purchase from us, you may return most unopened item(s) within 30 days of purchase for a full or partial refund. Unfortunately we can't accept back Nutrients, Trimming Machines, Lamps (bulbs), Grow Tents, Air Conditioners or Harvest Tools. Defective items may be returned for repair or replacement. Please reference our return policy before requesting a return.