Hydroscreen creates a better environment for beaver pond
Hydroscreen creates a better environment for beaver pond
1 PagesChallenge The Minneapolis Zoo’s beaver pond is a popular exhibit that is home to up to 40 birds and mammals. It is designed as a closed- loop system with an internal cleaning system to conserve water and minimize maintenance. The original recirculation system utilized a Diatomaceous Earth (DE) filter. The DE filter was expensive to operate. It required 40 to 60 pounds of media daily and utilized energy. Operation was very dirty and the proce
