Casco Pure is a new media similar to Bacto Balls but it is designed for large aquariums and retail fish systems. Read more about it here:
http://aquanerd.com/2018/07/casco-pure-media-for-large-tanks-and-retail-shops.html
Casco Pet has been working on a new filter system designed to work on retail fish systems and now it is available to retail stores. The filter promises to decrease fish mortality by up to 80%. Learn more about it here.
http://aquanerd.com/2018/07/the-patent-pending-purge-filter-from-casco-pet.html