Malangizo ogwiritsira ntchito:
1. Tsukani ndi madzi oyambilira a thanki musanagwiritse ntchito.
2. Ndikoyenera kugwiritsa ntchito pamodzi ndi mabakiteriya opatsa nitrizing thanki yatsopano ikatsegulidwa, zomwe zimathandiza kukhazikitsa mwachangu dongosolo labwino la mabakiteriya opatsa nitrizing.
3. Itha kugwiritsidwa ntchito mu thanki yosefera pansi kapena thanki yosefera pamwamba. Miyezi 3-6 iliyonse, imatha kutsukidwa mosavuta ndi yoyambiriramadzi a thanki.