sodium hydrosulphidekeyword promotionranking ads sodium hydrosulphidesource water turbidityinthe100-500mg /L,the dosage of5-10mgperone thousand tonsofwaterdosageis 5-10kgsmalltestbefore usingthebestquality characteristicsto select the bestvalue,thenput into use.sodiumhydrosulphidesolidproductwithwater at room temperatureaccording tothe1:2.5-1:3[weight]mixedstirredforabout30 minutes.drugscompletelydissolved, add30-40timesdiluted with waterdepending on the desiredconcentration[sourcethegreatertheturbidity of the waterdiluted intoliquidsecondarydilutionadd water tothe more].