upgrading 10g tank question

[pandafishowner]

Thanks There is no gravel in my tank. I have those large gem like stones, the really bright colored one. I don't like the gravel lol

So I don't really need cories or otos any time soon then? I have a little bit of algae, mostly slimey green stuff on the rocks and clam bubble making thing and the barrel ornament. The tank is pretty bare right now because the place it's on downstairs is on a plank of wood covering a hole in our counter in the kitchen where a bar sink was. Didn't want to put too much weight on it.

Thanks for the help I'm hoping to stick with mostly guppies, maybe a few neon tetras