16 litre

I have a 4.2 gallon tank that was used to house platy fry for about 2 months and was only emptied this weekend, however the tank or sponge filter have not been washed as I don’t want to remove beneficial bacteria. If I were to get this set up and cycled again, would it be possible to have a pair...

About a month ago, I bought a 16 litre tank for some platy fry (tank dimensions around 35cm x 20cm x 25cm maybe). I’ve placed 5 into the main tank to see how they do with adult platy and White Cloud Mountain Minnows, the latter of which chased them though could not fit them in their mouth. I’ve...