Dugong Island Actual installation Ēš
Water-purification system of the aquarium of Haesong Susan (fish store) in Jeonju
The fish are kept for a certain period time in the aquarium and then transported to other places.
After installing system, there is no need to replace the whole amount of water and the cost for water
change and aquarium cleaning has been sharply reduced. In addition, no fish died after installing the