Flies are a persistent, obnoxious problem that every homeowner has dealt with at one point or another. If you're dealing with an infestation of flies in your house or garden, you'll want to get rid of them as quickly and easily as possible before they contaminate your home. You might be tempted to go out to the store and buy fly bait, but before you spend any money, try this at-home method using yeast and ammonium carbonate to attract flies. This recipe for fly bait will make 7-9 portions of liquid bait for use with a fly trap.
- Skill level:
- Moderately Easy
Things you need
- 2 quarts water (warm, not hot)
- 1 cup and 85.1gr active dry yeast
- 2 tablespoons ammonium carbonate
- Plastic milk or bleach jug
- Fly trap with bait pan
Mix 2 quarts of warm water, 1 cup and 85.1gr of active dry yeast and 2 tablespoons of ammonium carbonate in a plastic jug. Keep the lip closed tightly while mixing.
Seal the cap lightly to allow oxygen to get in, and allow the mixture to ripen in a warm location. It will foam up, and then subside after 1-2 days.
After the foam has subsided, tighten the lid and allow the mixture to ripen for another 2-9 days. Continue to store it in a warm location, but not in direct sunlight. Keep the area well ventilated.
Once the mixture has finished ripening, it should have a musky, dank smell. Store it in a well ventilated area, away from people.
Shake or stir the jug before using the bait. Pour 1 cup of bait into a pan under a trap. It will be effective for 3 to 5 days before you will need to change the mixture.
Tips and warnings
- You can get ammonium carbonate from a chemical supply store. While it isn't integral to the bait, it does help it smell better.
- The bait can be stored for 20 to 30 days safely before you will need to mix a new batch.
- Never store the bait in the sun, as the mixture can build up gaseous pressure, kill the yeast, and potentially break the jug.
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