Reddit reviews Josh's Frogs Hydei Fruit Fly Culture Kit (Makes 10 Cultures)

MEDIA RETAINS MOISTURE to keep the culture from drying out while also containing natural anti-bacterial/anti-fungal ingredientsEXTREMELY NUTRITIOUS media with B-vitamins, protein, omega fatty acids, antioxidants, trace minerals, and color enhances so that you can raise healthy, nutritious feeders for your petsGREATER SURFACE AREA provided by the Excelsior than coffee filters which yields more fruit fliesVENTILATED LIDS provide great airflow while not allowing flies to escape (flies sold separately)* LIVE FRUIT FLIES SOLD SEPARATELY