Easy DIY Spawning Mops

HOW TO MAKE YOUR OWN SPAWNING MOPS: 1. Buy some acrylic yarn. You can choose any color you'd like, but keep in mind two things. First, eggs will be much easier to see on darker yarn; and second, some people find that fish spawn more readily on green colored yarn. For this project, you will also need scissors, tape, cork bottle stoppers, and a hardcover book that is about as tall as the tank you're going to use the spawning mops in. 2. Cut off a length of yarn and lay it horizontally across the book, near