In my experience/opinion...
sponge filters...
The best part is you can run the sponge filter in your established tank to keep it "cycled" or "seeded"... and then move it into the fry tank when you have fry... and move it back to the established tank when you don't...
sponge filters...
The best part is you can run the sponge filter in your established tank to keep it "cycled" or "seeded"... and then move it into the fry tank when you have fry... and move it back to the established tank when you don't...