# Mash Tun Jacket

**URL:** <https://forum.homebrewersassociation.org/t/mash-tun-jacket/18357>\
**Category:** Systems, Gear, & DIY\
**Created:** [December 6, 2014, 3:53am UTC](https://forum.homebrewersassociation.org/t/mash-tun-jacket/18357 "2014-12-06T03:53:26Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![yso191](https://sea1.discourse-cdn.com/brewersassociation/user_avatar/forum.homebrewersassociation.org/yso191/32/12276_2.png) [@yso191](https://forum.homebrewersassociation.org/u/yso191)\
**Post date:** [December 6, 2014, 3:53am UTC](https://forum.homebrewersassociation.org/t/mash-tun-jacket/18357/1 "2014-12-06T03:53:26Z")

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I have three brews on my new Blichmann kettles, a 10 gallon BK and 15 gallon MT.&nbsp; It was obvious from the first brew that keeping the mash temp up was going to be an issue.&nbsp; The first one I had to add some of the sparge water to keep it up.&nbsp; The second one I added that silver bubble insulation which did very little.&nbsp; The third brew I added a thick blanket with a heating pad on top of the lid - that finally did the trick.

Being kind of OCD about things looking good, I started doing research.&nbsp; I found Canvas Keg Jackets online at a place called Rapids ([http://rapidswholesale.com/beer-supplies-draft-beer-equipment/party-picnic-keg-pumps-and-coolers/keg-cooling-jackets-and-blankets/brown-canvas-keg-jacket.html](http://rapidswholesale.com/beer-supplies-draft-beer-equipment/party-picnic-keg-pumps-and-coolers/keg-cooling-jackets-and-blankets/brown-canvas-keg-jacket.html)) for just under $50 delivered.&nbsp; It is very thick and heavy duty.

I was pleasantly surprised that the thing fit over the handles & sight tube of the MT!&nbsp; I’ll have to cut a slit for the thermometer and valve, but that is minor.&nbsp; There is even an opening on top (for the tap) so I can run the cord from the heating pad out of that.&nbsp; Here it is: