Ukongeza kwi-70%
Ialkali Vs. Ukutya okune-Acid. Xa usitya ukutya, kuyaphulwa kuye kwagcwala intsalela engathathi cala, eneasidi okanye ialkaline. Izimbiwa ezifana ne potassium, calcium, nemagniziyam, isodiyam, zinc, isilivere, ubhedu kunye nentsimbi zivelisa ialkaline ash; kanti isalfure, i-phosphorus, i-chlorine kunye ne-iodine, ezifumaneka kwinyama, ikofu, ezobisi kunye notywala, kushiya i-ash ash.
Fumana ikhowudi