Josh's Frogs Excelsior (Makes 20 Fruit Fly Cultures) 9.2oz;
Josh's Frogs Excelsior (Makes 20 Fruit Fly Cultures) 9.2oz

Josh's Frogs is a leading source of quality excelsior, also known as wood wool. Excelsior is ideal for use in fruit fly cultures as additional surface area for fruit flies, allowing them additional places to climb, mate, ...

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Josh's Frogs is a leading source of quality excelsior, also known as wood wool. Excelsior is ideal for use in fruit fly cultures as additional surface area for fruit flies, allowing them additional places to climb, mate, and lay eggs. Using Excelsior in place of coffee filters provides several benefits, including higher fruit fly yields and a more stable culture. Excelsior is also made from renewable resources and is compostable, making Josh's Frogs Excelsior an environmentally friendly, green product. 

This bag of Excelsior makes 20 or more fruit fly cultures.



  • Creates great surface area for fruit flies
  • Leads to higher production in cultures
  • Made from renewable resources
  • Cultures are more stable than with coffee filters!
  • Creates great surface area for fruit flies
  • Leads to higher production in cultures
  • Made from renewable resources
  • Cultures are more stable than with coffee filters!

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