I got an email from them with this included:

Happy Halloween!
Our treat to you: October’s Coupon Promotion

Rising costs can be scary, but Alliance Laboratories is celebrating the season with a treat for our valued customers: for the month of October take advantage of our Coupon Promotion. If you’d like, think of it as a cost-saving trick that’s more like a treat.

Take advantage of the Promotion:
$10 off each 30-count container of Enemeez® product, up to 5 containers
Free shipping on an order of two or more containers
Use promo code TREAT12
*Does not apply to Patient Assistance Program
I tried it, the code is not working at the moment, I let them know and they are working on it, they said should be operational later today.