To use any discount code, enter it into the discount field in your cart before checkout.
Special Brand Discounts
| Brand | Discount | Code |
| California Lightworks | 17% off | cali17 |
| Centurion Pro | 6% off | 6cent |
| Lush Lighting | 10% off | lush10 |
| Medic Grow | 8% off | mg8 |
| Optic LED | 5% off | optic5 |
| Everything else | 5% off | save5 |
Generally, our best coupon codes are distributed exclusively through the Grow Light Central email newsletter. If you would like to sign up, use the signup form in the footer of this webpage. Upon signing up, you will receive code for up to 10% off for almost any product on our site.
You will also receive exclusive new codes regularly via email. Most of these discounts are only available to our newsletter subscribers.