I have one male betta in a tank which is about 23cm x 13cm and i have a filter.
yeah at first i didn't have a filter and cleaned it monthly and he got sick, but now i have a filter and i'm thinking clean it on a weekly basis instead but i'd like to know for sure form someone who's had experience.
yeah at first i didn't have a filter and cleaned it monthly and he got sick, but now i have a filter and i'm thinking clean it on a weekly basis instead but i'd like to know for sure form someone who's had experience.