Izifiltre zomkhovu waseQuartz ziyindlela ebalulekileyo yokunika amanzi okuhle. Ziyakhiwa ngamakhanda amancane omkhovu waseQuartz othinta amadirti, amandla nezinye izinto ezingafiltrekanga kumanzi. Lokhu kwenza amanzi akhangelwe ukusebenza. Izingxenye eziphakathi, izindlu nezindlu zokudlala zokudlala zisebenzisa lezi. Ziyajabuliswa ngokuthi ziyasebenza kahle futhi zingafundiswa kahle. Sebenzisa lezi I-Filter Press ukuhlela amanzi ukuba zibe khangelwe nokuziphatha kahle. KwaDinghui, sithemba ukuthi amanzi okuhle kuyisisekelo sokuzimela konke. Ngakho ke sifokusisa kuzo izifiltre zomkhovu waseQuartz ozikhona ngokuhle ukufaka lokhu.
Izifiltara zesandu sesiqa ziyinketho enkulu yokuchitha amanzi ngoba zinamaphuzu amaningi. Okokuqala, aqinisekile kakhulu ekususumelweni kwemiphakathi emincane. Amagraini amancane ayenza indawo enkulu yokuphatha, futhi ngakho bayakwakha inkululeko yezindawo eziningi zokubeka umfula wokuchitha amanzi. Lokhu kubuyisa ubunzima. Okwesibili, isandu sesiqa siyisikhungu futhi asihlale kuhlela njengamanye izinto. Ngakho ke lezi zifiltara zizokhula isikhathi eside ngaphandle kokufakwa kabusha. Futhi zingadingi ukusebenzisa izindlela zokuhlola. Ukuchitha kuyisilinganiso—kufanele uhlale ukubuyisa umfula ukuze ususele umfula owakhiwe. Lokhu kuyenza kuzibonakalise kakhulu. Ngaphezu kwalokho, kubhekene nesivolumu esikhulu semanzi. Kuma-pool okanye kuma-ndawo ezengeziweyo, lezi zifiltara zisebenza kahle ngenani elikhulu lama-gallon. Ekugcineni, ziyenziwe ngokuphathelene nomdlalo wokuvikela umhlaba ngaphandle kokusetshenziswa kwamachemikhali. Ku-Dinghui, sibonakalisa kakhulu ngokukhula kwethu kwezifiltara zesandu sesiqa. Sifuna abakholwa bakwazi ukuthenga amanzi okuxhasa ngaphandle kokuzwa ukuzimela.