No. You will have a bit more headspace for single batches so maybe cover the top of the mash with aluminium foil and insulate during the mash. You may want something to weigh the lid down as the busted catch may allow heat loss.
i am close to doing my first ag, i have a 25 litre esky that i will use for my mash, what size brew can i make from this size esky using it as a mash tun, i am looking to make my batches to 20/22 lites in fermenter.
fergi
I have a 26 L esky tun. I regularly mash 5-6 Kg of grain with around 15 L of strike water. I drain first runnings, add 8-9 L of mash out temp water, drain then batch sparge with another 15 L of water.
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after you drain your first runnings then you add another 8/9 litres of water how long do you leave it before you drain that lot out of mash tun. then when you say batch sparge is that where you add the other 15 litres of water into your mash tun , what rate do you add that 15 litres and what temp is the added water.
fergi
so now i have poured 18 litres water, and 5 kg wheat into my esky, this leaves 2 inches to the top. would this be about the amounts if i were doing 22 litres into my fermenter after mashing and boiling.
fergi
after you drain your first runnings then you add another 8/9 litres of water how long do you leave it before you drain that lot out of mash tun. then when you say batch sparge is that where you add the other 15 litres of water into your mash tun , what rate do you add that 15 litres and what temp is the added water.
fergi
If you have 5kg of wheat malt in your tun I hope you've got some rice gulls in there to stop it getting stuck :icon_cheers:
did you pre heat it fergi?
not sure, but if you want your strike water at 70C, you might try adding it at 74ish and it'll probably be at
70 5-10mins later, most of that 5C you lost was probably warming the tun in the first few mins. 8L isnt much either
well my homemade mash tun has failed in its first trial. i put 8 litres of water into it @ 66deg, put the lid on and just put a pillow ontop of it. i didnt go to the extent of wrapping it all up nice and tight because i just wanted to see how the temp held. no grain just water, maybe the grain will hold the heat better , and when i wrap it this will probably help, went in @66 DEG AND AFTER 60 MINS IT WAS DOWN TO 61 DEG,ALSO I HAD THIS IDEA OF USING A MEAT THERMOMETER with the round dial and a 6 inch spike, now i drilled a hole through the esky ,then inserted a three inch pice of copper tube, to sit through the hole.i used silastic to hold it into the side of the esky then i squeezed silastic into the copper tube, pushed the fermometer through the copper tube up flush to the outside of the esky,wiped the probe as it came through into the esky and let it harden overnite,"IT LEAKS"IT DRIPS OUT FROM THAT THERMOMETER HOLE IN THE ESKY, PROBABLY LOST 300 ml., back to the drawing board
fergi
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