[katalinbanyay]

Hi, my cage came with a grate at the bottom, just above the tray. Should I keep it or remove it? I am using paper towels in the tray.

 

[StarlingWings]

Personally I think the grate is annoying to clean, if you can remove it there's absolutely no harm in doing so. Just make sure there's not a gap between the slide-out tray and the cage so that any budgie could escape

 

[FaeryBee]

I use blank newsprint (aka packing paper on top of the grates in my birds' cages because removing the grates leaves too large a gap at the bottom of the cage.

If removing your grate does not leave such a gap, then I agree with StarlingWings -- it is fine to remove it.