Hey, i did the 50% water change a couple days ago,
i think its a 30litre tank, temp is about 27, there is a filter in there but i couldnt tell you what type
i have the betta, 2 platys, 4 guppies, 1 cobra. 2 tetras, and 2 frogs in the tank, there is also a couple tenny tiny snails that appeared...