Kukhazikika kwa sodium nitnofnolates:
1.8% Madzi am'madzi nthawi zambiri amagwiritsidwa ntchito ngati feteleza wolima. Mukamagwiritsa ntchito, imasungunuka nthawi 2000-6000 malinga ndi mbewu zosiyanasiyana ndikuthira. M'malo mwake, sodium miviteni siyofanana feteleza wowonjezera, ndiye kuti, mitundu yamiyala yayitali ya 3-9ppm (i.e.E.0003-9%) ndiyokwanira feteleza (pambuyo pa dilusition). Kuchulukana kumatha kuwonjezeka mpaka nthawi 5-10 kuti mugwiritse ntchito mizu kapena kuthira, chifukwa mizu yake idzakhazikika ndi dothi kapena kutayika kwake ndikosakwanira.
Nthawi zambiri, onjezani 2-3g / toni (ndende yomaliza ndi 2-3ppm) ku feteleza wokhazikika (kuphatikiza feteleza wa 50-100), feteleza wambiri, etc.).
