Put about 12 drops of food coloring in the tank and wait an hour. If you see the coloring in the toilet bowl after the hour is up, you have a leak. A. Add half a point. Gurgling is a sign of a leak, but toilets can leak silently too. B. Add one point.
Puddles are a sign of other problems, such as a decaying wax ring.
D. Add half a point. Save some money and do the test yourself. Through our donation program, we provide old magazines to schools, libraries and dentists' offices. We practice source reduction and reuse, then recycle what's left. Answer Key Of the 208 million tons of solid waste generated in the U.S. in 1995, nearly 60 million pounds were recycled.