A Second Feature Article on Blue Gold Coming Later Another feature article on Blue Gold is expected to come out this week. This one to focus on the importance of the Company's purchase order for 23,000 cartridges worth, "up to $7.6 million." The recurring revenues attached to this order are significant. Every 12 months, replacement filters on 23,000 cartridges will be sold. The estimated lifetime of a SMARTSAN toilet is 15-25 years