TOO MUCH SOAP Dear Heloise: I’ve read that most people use too much soap when they do laundry. Is this true, and how much should I use? I use a lot of soap in an effort to get my towels bright white again, but they have a gray look to them. What causes this? — Jessica T., Wausau, Wisconsin Jessica, you only need about 1/2 a cap full if you are using one of the newer machines, whether it’s a front loader or a top loader. If you use a top loader, you might find that you get better results with an agitator in the middle. The gray tint to your towels is a buildup of soap, skin oils and dirt that …