Well, there's a plan B. Get a bigger tank! A 40G would work well I think.
On the other hand, some plants, and 3-4 additional white clouds would make a lovely and easy to maintain tank if you'd take the fantail back.
My 33 gallon/125 liter tank. My photography on flickr.
Up for trade or sale are two aqueon modular LED
light fixtures with bulbs.
I bought a larger tank s ...