Mash tons

[Ibrew2little]

I currently use a generic cooler style mash ton. Thinking of upgrading it some to include a thermometer to monitor mash temp and adding an additional ball valve so I can recirculate my wort an raise mash temps easier. Curious if any of you have fudged around with adding gadgets on your coolers. Let's see pics


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[Minbari]

I am sure lots of people recirculate thier wort. fly sparging would be one example.

just an FYI its "mash tun"