Will Salvinia Minima overrun my 20g tank like duckweed would?
I meant will it literary take over the entire tank and clog the filter. Your answer is perfect. Thanks!If you mean will it cover the whole surface, yes if you let it. But unlike duckweed it is easy to remove and keep under control. And should you ever decide it's not for you it can be totally removed without the fear of missing one tiny plant.
I had salvinia years ago and now have the similar red root floater. With both plants I just lift out handfuls when it gets too much.