Reusing frames with old comb

Beekeeping - Basics
1

I was going through my spare boxes today which are full of old comb. I found some that had mold on the the comb. These are plastic foundation with a wax coating. Can I scrape them off and have the bees rebuild them?

Here is my partner in crime putting on new coats of tung oil.

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Thanks
Joe

1 Like
2

If they are quite ratty and moldy looking Iā€™d be tempted to clean off the wax and start afresh.