Bio Spira is bacteria in a bottle, available at an increasing number of fish stores. It's not the same as Cycle--Bio Spira has to be refridgerated and has a shelf life. As long as your levels don't get too high, and you can do water changes to help out, you should be okay.
Plastic army men have been used by quite a few people. We use the orange plastic construction fencing, wadded up--it helps aerate the water also. Pretty much anything with lots of surface area will work. Legos would work pretty well, too.
Plastic army men have been used by quite a few people. We use the orange plastic construction fencing, wadded up--it helps aerate the water also. Pretty much anything with lots of surface area will work. Legos would work pretty well, too.