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Kaolin clay protector OMRI certifide #926662

Asked March 24, 2026, 2:16 PM EDT

I the Kaolin clay powder OMRI certified? I have a quince fruit orchard that is certified organic, and any application must be OMRI certified.

Benton County Oregon

Expert Response

Hello Robert,

Koalin clay is typically OMRI approved; however, check the brand and packaging to ensure that this producer is certified and that there are no other additives that could not be OMRI.

Surround is probably the most common brand and is OMRI approved.

An Ask Extension Expert Replied March 25, 2026, 2:36 PM EDT

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