Siv tshuaj dawb nrog cov khoom xyaw nquag ntawm 5.25 feem pua sodium hypochlorite. Bleach sau tias yog tshuaj tua kab mob los yog zoo ntawm kev tua cov kab mob tuaj yeem tshem tawm cov yoov tshaj cum thiab. Sim siv 2 tablespoons tshuaj dawb hauv tsev rau 5 liters dej Cov tshuaj bleach yuav pib tua cov larvae tam sim ntawd.
Yuav tso dab tsi rau hauv kuv cov dej tua yoov tshaj cum?
Ntxiv cov roj los yog tshuaj ntxuav tais diav Koj tuaj yeem ntxiv ib tee ntawm xab npum lossis roj rau hauv dej yog tias koj tab tom nrhiav txoj hauv kev sai tua tag nrho cov yoov tshaj cum. Ib tee ntawm cov tshuaj ntxuav tais diav los yog roj rau hauv ib lub tais loj dej yuav tua cov yoov tshaj cum hauv teev.
Yuav siv sijhawm ntev npaum li cas rau tshuaj bleach tua yoov tshaj cum?
Lethal (100%) cov ntsiab lus ntawm cov zaub mov yog 16 ppm rau 1st instars, 64 ppm rau 2nd instars, thiab 250 ppm rau 3rd thiab 4th instars. Ib qho kev kho mob ib zaug nrog 250 ppm ntawm tshuaj dawb rau ib lub log (2 tablespoons ib 5 liv dej) tua cov larvae, tab sis pupae pib tshwm sim 12-17 hnub tom qab.
Yuav ua li cas yoov tshaj cum muaj sia nyob hauv dej tshuaj dawb?
Bleach tua tus larva; Hmoov tsis zoo, nws tsis yog txoj hauv kev nyab xeeb tshaj plaws los tshem koj lub tsev ntawm cov yoov tshaj cum. Ncuav cov tshuaj chlorine ncaj qha rau hauv cov dej sawv ntsug xws li cov pas dej kom tua yoov tshaj cum. Txawm li cas los xij, chlorine bleach yog tshuaj lom thiab tuaj yeem ua mob rau txhua tus tsiaj qus uas haus dej los ntawm dej.
Puas yog vinegar dawb tua yoov tshaj cum?
Yog, dawb vinegar (los yog lwm yam vinegar) kills yoov tshaj cum. Txhua yam koj yuav tsum tau ua yog ntxiv vinegar rau dej kom nws nyob ntawm 15% vinegar thiab 85% dej concentration.
