Dugong Island Actual installation Ēš
 
The water-purifying facilities of Jeonju ZOO
 
Serious deterioration of water quality due to the large amount of feed supply into the lake.
The ZOO had to replace the whole lake water regularly.
(Cost for 1 time of water replacement : 8 million won, 7~8 times a year)
Despite such efforts to improve water quality, serious problems were still found due to odors and green algae.
The patented methodology was applied and successfully controlled the odors and spread of green
algae. The space is now effectively utilized for observation of fish for users.