Show Your Buds You Care!

Save Up to $40 by Referring a Bud to 13E!

Hydroponic Sprouts Under Lights

How Does it Work?

For a limited time only, refer a grower friend to 13E and save big money on your own order (and your buddy’s)!*

All you need to do is fill out the form below with your email and the valid email of a friend, and soon after you’ll both receive a coupon code good for one use that will save you big! Add the code in at checkout and… Voila! Savings!

  • $10 off our 4-ounce bottle
  • $20 off our 8-ounce bottle
  • $40 off our 16-ounce bottle