Just experiment and see what will work for you. If you want a close up examination, use a collender. If you just want a quick look and see if there are any big guys getting flushed out, just poke at the pooh in the toilet water. If you really want a close look, put down a plastic trash bag, and lay several layers of newspaper on it, then top with white paper. Do your business on this and really get down with a magnifying glass, tweezers and whatever you need to get a really close look. It all really depends on you and how much you can take.