Do NOT clean the filter in tap water as chlorine and chloramines will remove the beneficial nitrifying bacteria that have colonised during the maturation of the aquarium.
Ga o tlhakantsha mokento le metsi, nnetefatsa gore metsi ao ga a na Chlorine mo go one ka gore chlorine e tla bolaya ditshedi tse di tsentsweng mo morianeng ga o ne o dirwa kw adilaborotoring.