Litharollo tsa rona li tsejoa haholo ebile lia tšeptjoa ke batho 'me li ka khotsofatsa litlhoko tse fetohang tsa moruo le tsa sechaba tse tsoelang pele bakeng sa Sodium Dithionite ea Sehlopha se Phahameng, Sodium Hydrosulphite, Sodium Hydrosulfite 85% 88% 90%. Ho phaella moo, re tla tataisa bareki ka nepo mabapi le mekhoa ea ts'ebeliso ea ho amohela litharollo tsa rona le mokhoa oa ho khetha lisebelisoa tse loketseng.
Litharollo tsa rona li tsejoa haholo ebile lia tšeptjoa ke batho 'me li ka khotsofatsa litlhoko tse fetohang tsa moruo le tsa sechaba bakeng saChina Sodium Hydrosulfite le Sulfate, Re fana ka tšebeletso ea botsebi, karabo e potlakileng, ho fana ka thepa ka nako, boleng bo botle le theko e ntle ho bareki ba rona. Khotsofalo le mokitlane o motle ho moreki e mong le e mong ke tsa bohlokoa ho rona. Re tsepamisa maikutlo ntlheng e 'ngoe le e 'ngoe ea ts'ebetso ea odara bakeng sa bareki ho fihlela ba fumane lihlahisoa tse sireletsehileng le tse ntle tse nang le tšebeletso e ntle ea thepa le litšenyehelo tse tlase. Ho latela sena, lihlahisoa tsa rona li rekisoa hantle haholo linaheng tsa Afrika, Bohareng ba Bochabela le Asia Boroa-bochabela.