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Do you or someone you know use Gerber’s “2nd Foods” Baby Food packs – the larger, 3.5-ounce containers? Here’s what they look like on the shelf at your grocery store and removed from the package:
If you have access to a supply of these empty containers, consider sending them to us (please rinse them first!) for reuse as monarch rearing chambers:
I don’t think Gerber had monarchs in mind when they introduced these containers, but they work quite well and save us a lot of time compared to other methods we’ve used.
We raise thousands of caterpillars each year so we can use a TON of these – please start saving these empty containers and lids for Monarch Watch and once you have a number of them (shouldn’t take long!) please contact us at email@example.com for mailing/shipping instructions. If you can coordinate a collection from several sources to send in a single package, all the better. Thank You!
Reduce, Reuse, Recycle.
ADDENDUM: It seems lots of folks are curious as to the mystery substance in the containers with the larvae (in addition to the frass). It is, indeed, an artificial diet of our own design. Since Monarch Watch was founded back in 1992, we have shipped hundreds of thousands of caterpillars on an artificial diet to schools an individuals as a part of our Monarch Rearing Kits. Our diet is not available at this time, but may be in the future – stay tuned!