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.
BRAND NEW NEVER OPENED NEVER USED!
"EHEIM Quick Vac Pro Automatic Gravel Cle ...
Everything is brand new, tank only lightly used
for aquascape. I purchased a larger tank for my
Offering a beautiful blue and yellow damsel.
Approx. the size of a gold dollar coin. He's
being a b ...