Is an item that contains hametz but is unfit for human consumption permitted to be kept during Pesach?

PesachHametz Mixtures

Synopsis

Items that contain hametz but are not fit for eating (such as medicinal preparations, tanning solutions, or moldy bread) may be kept during Pesach since the hametz has lost its form.

Early Acharonim
Lenient
Strict
Lesser cited
Major authority

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