get a trash can 32 gallon, 6 or 7 bucks at wally world. put ur saltwater and rock in there. get a power head also at wally world, 10 bucks maybe and a cheap heater for over night. my guess is u may already have this stuff laying around. thing of it is...why do it twice when you can do it right the first time. I hate waiting to but it will be well worth it in the end.