Perforation size for mash tun kettle

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BeirKaiser

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Hello everyone!

Search says zero results for “false bottom” so I’m asking for help.

I’m planning on building a 14” false bottom for my Mash tun. Not only will it be for filtration but also to keep it from scorching on the bottom.

My question is: how big should the holes be on the screen? I’ve seen everything from 1/4 in perforated to 400 micron sheets. Each company seems to have their own size preference.

Thank you
 

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