Glue safe to grow food crops

I got a question regarding the glue that is safe to be used in vertical hydroponics/aquaponics for producing food crops.

Any ideas or industry standards?

Thank you.

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I believe the consensus is if its safe for drinking water application its safe for food use.

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Iā€™ve heard 3M5200 marine sealant is the best and food safe. Any others?

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