Ukuhlunga okuhlangene: Imodeli ngayinye ifaka uhlelo oluphelele lokuhlunga olususa imfucumfucu, izinto eziyingozi, futhi lugcina ukucaca kwamanzi.
I-2.oxygenation: Inqubo yokuhlunga ifaka oxygenation ukuqinisekisa ukuthi izinhlanzi zakho zithola umoya-mpilo onsali, zithuthukisa impilo kanye nobungqabavu bazo.
I-3.Cication: Uhlelo lujikeleza amanzi kuyo yonke i-aquarium, ukuvimbela izindawo ezixakile kanye nokuqinisekisa ngisho nokusatshalaliswa kwezakhi zomzimba kanye nomoya-mpilo.
Ukufakwa Kokuphila: Wonke amamodeli enzelwe ukufakwa okuqondile, edinga ukusetha okuncane nokulungiswa.
Ukusebenza kahle kwe-5.Eneess: Imodeli ngayinye yenzelwe ukusebenza kahle kwamandla, ukunciphisa ukusetshenziswa kwamandla ngenkathi kusebenza ukusebenza okuphezulu.
I-6.Duble Construction: yenziwe ngezinto ezisezingeni eliphakeme, la mabhokisi okuhlunga ayakhiwa ukuhlala, ukuqinisekisa ukuthembeka kwesikhathi eside nokuqina.