Coupons | Help Center | Old School Labs of California
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Home  /  Help Center  /  Coupons

Coupons

Here’s everything you need to know about using coupons on Old School Labs™:
  1. Unless specified, coupon codes do not apply to stacks and subscriptions.
  2. Coupons are not combinable. Use the one that gives you the highest discount amount.
  3. Some coupons have time limits. Make sure you use them before they expire.
  4. We offer 15% off for our military service men and women, and to all students enrolled in US institutions. Head to the Military Discount or Student Discount page to claim your discount.

If a coupon code from an on-going campaign is not working, please contact us.

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