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Josh's Frogs Aspen Wood Excelsior (makes 10 fruit fly cultures)

$5.99
 (9)

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About This Product

Josh's Frogs is a leading source of quality aspen wood 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 10 or more fruit fly cultures.

Shipping

This product ships to your doorstep. Most orders placed before 2pm ET on business days will ship out the same day.

Customer Reviews

Based on 10 reviews

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Reviews

Sabrina

Pleasantly surprised with order

Reviewed on March 4, 2026.

Pleasantly surprised with my entire order! Everything was packaged beautifully. Arrived fast and exactly as described. Im extremely happy with my purchases and will be ordering again!

David

plenty of wool

makes more than 10 cultures for sure, they pack a generous amount into each package sturdy and does not soak up water, makes for a lot of surface area and doesnt cause issues like coffee filters and other alternatives

Hailey

Great Product

This excelsior was perfect for my fly cultures. Great packaging and arrived on time.

joseph

more than you bargained for

this made more cultures than advertised. It lasted for almost three months as i got my fly breeding operation underway.

Sofia

Great stuff

Usually get an extra culture or two out of this bag (more than advertised) so it's def. worth the money

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