Originally Posted by roka64
Any chance you can trade in your tank, for one that is a little larger? I think that would make you and your fish happier.
I think Roka has the answer you're looking for. If your main goal is to have a trigger, then get a tank that will support it and you won't be fighting overcrowding issues from day one. If you bought your tank new from a local fish store, I can't imagine they wouldn't take it back unless you've already put water in it or painted the back.
I originally thought a trigger would be cool. Then after reading up on things and learning more, I realized that I didn't have room for one with the size of tank I was planning on getting (a 46g bowfront!), plus I couldn't keep the other things I wanted if I had a trigger. That's why I always stress to folks to do a lot of research before plunking down any money. If the trigger is a make/break thing for you, trade in the tank and go for it! If you don't have room for a smaller tank, then I think you'll be happier in the long run if you rethought your tank population.