If a Karter Scientific coupon code isn't working, consider the following steps:
- Check the expiration date: Ensure the code is still valid.
- Verify the code: Double-check for any typos or errors.
- Review the terms and conditions: Some codes may have specific requirements or exclusions.
- Try a different code: Use another available discount code.
- Contact customer support: Reach out to Karter Scientific for assistance.
If these steps don't resolve the issue, it might be best to look for alternative discounts or promotions.