Just Say No to Abuse Declaring War on Terrorism. Keeping leeches, subject to spousal approval for kitchen refrigerator access that's as likely in most families as teenagers keeping tidy bedrooms, is as easy as stashing them in buckets in the fridge.
Wise anglers preserve domestic tranquility with a separate bait and beer refrigerator in the garage.
You can also hold a season's worth of leeches in an inexpensive water filled Styrofoam cooler set in a cool, shades spot. Divide all storage containers in half with window screen so you can either keep both ribbon and tiger leeches, or large and small leeches, separated. It's MUCH easier to segregate leeches by size into plastic containers at home. Wide-mouth gallon glass jars full of water work too. Half gallon plastic milk cartons hold smaller numbers of leeches and other aquatic baits, but pack so tightly in the refrigerator that the total amount of bait may be larger than in big containers.