Dalili:
1. Ko an kunna fitilun UV, an kunna ruwan tanki yana aiki koyaushe
2. Fitilu a lokacin bugawa da farko . Amma babu hasken wuta a lokacin bugawa, idan akwai yanayin sanyi ba don tankar ruwa ba {{3}
3. Matattarar ruwa a cikin tanki na ruwa ya rushe .}
Magani:
1. Kunna hasken UV ko tanki na ruwa
2. Kebul na Chang ko a zuba maganin maganin cuta a cikin tanki
3. Fitar da ruwa a cikin tanki tuka a cikin ruwa {{0 tox} Rage tacewa kuma tsaftace shi {{0 {0 {0 {0 {0} tsaftace a cikin tanki kuma {{1}
