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1.56 Ruwan tabarau na gani mai launin toka da aka gama da rabin hoto
Gilashin gilashin ruwan tabarau mai canza launi yana ɗauke da wani adadin azurfa chloride, sensitizer da jan ƙarfe. A ƙarƙashin yanayin hasken raƙuman ruwa na ɗan gajeren lokaci, ana iya ruɓe shi zuwa ƙwayoyin azurfa da ƙwayoyin chlorine. Kwayoyin chlorine ba su da launi kuma ƙwayoyin azurfa suna da launi. Yawan ƙwayoyin azurfa na iya samar da yanayin colloidal, wanda shine abin da muke gani a matsayin canza launin ruwan tabarau. Ƙarfin hasken rana, yawan ƙwayoyin azurfa da aka raba, ruwan tabarau zai yi duhu. Mafi raunin hasken rana, ƙarancin ƙwayoyin azurfa da aka raba, ruwan tabarau zai yi haske. Babu hasken rana kai tsaye a ɗakin, don haka ruwan tabarau ya zama babu launi.
