You should consider looking on Craig's List for aquariums. With a 20 long you'll probably want a stand specifically for aquariums since it will be quite heavy when filled. I've gotten some great deals on Craig's List.
Thank you. I've lost enough pets to not be as affected when one of the smaller ones dies...but it still stings when a new, young one dies. I tend to get a new pet right away when one dies. I don't like looking at empty tanks and cages for too long.So sorry to hear about Impulse, at least he wasn't suffering though. A new fresh tank and a new boy may be just the thing to help you keep your mind off of it, though. I know I'll just be heartbroken when mine pass someday.
Not rinsing sand is one of those mistakes you do once and never again, haha. I am glad you got it to clear down though! I made a mess like that recently with a dirted tank, ugh! Sand is my favorite substrate, way much more so than gravel. Being able to hover over it to clean it versus digging around is way easier. I think my plants like it more, too!
Remember you'll need to poke or rake it once in awhile if it's more than an inch to prevent noxious gas buildup, though! Cause I've seen it happen that people don't, and then the sand explodes, some fish may die, and there is sand... EVERYWHERE!!!
Can't wait to see updates! <3