Hard water problems? What a difference a booster can make! A little goes a long way. [caption id="attachment_1316" align="alignright" width="165"] Laundry Booster by Charlie's Soap[/caption] Treats a total of 240+ large wash loads. Fight stains, Soften clothes, Brighten whites. Half Tablespoon per large load when you need it. 100% biodegradable and HE compatible. Charlie’s Soap is a registered trademark of Sutherland Products, Inc.