For every kilogram of grain, add three litres of water:įor a typical 5kg grain bill this means 15L of water for your mash in.ĥ × 3 = 15Lmash water The Grainfather formula When recirculating, the trick is to have a nice liquid mash without the weight of the water and grain pressing down on the malt pipe screens hard enough to cause blockages. Instructions for the Grainfather use a slightly more complicated formula. (5 × 2.7) + 3.5 = 17L mash water Make up the difference in the sparge Because the RoboBrew and Grainfather have very similar dimensions, the physics of the recirculating mash are very similar. I personally sparge until I reach almost around 29-30L mark without much care about target gravity readings. The grain will absorb about 5L of water (1L per kg), so 10L+20L = 30L final volume.
Hawkbox Well-Known Member Joined: Messages: 4,577 Likes Received: 4,324 Trophy Points: 113 Gender: Male Occupation: IT Manager Location: Edmonton 9 Hawkbox, Nice. I've really enjoyed this and it works well for my setup.Starting the boil with 2L less than me (28L vs 30L).Starting with 2L more than me at the mash stage.The large 5L difference between my lazy fill-to-30L method and Grainfather’s calculated method comes down to a few things: With the aforementioned 5kg grain bill and a target volume in the fermenter of 23L, we get: Yet again Grainfather offer a nice formula for calculating this. Profile 1.png File size: 27.8 KB Views: 2,324 Profile 2.png File size: 46.4 KB Views: 2,131 11elephants and Brewer 203969 like this. ago The Beersmith file for the Robobrew (aka Brewzilla) can be downloaded directly from Kegland.
Just wondering if you can confirm this, as that seems a bit high. I do not really squeeze unless I'm short on my pre-boil target amount. For the Brewzilla Robobrew 3.1.1 The profile for Beersmith says it has 6.75L mash-tun deadspace. Then after the 10 minutes I stir the heck out of it for 2 minutes for draining the bag and put the liquid into the brew kettle. RoboBrew / BrewZilla & DigiBoil The BrewZilla previously called Robobrew all grain brewing systems are the ultimate value all in one electric brewing devices. Give a good stir and rest for 10 minutes. Once mostly drained set it in a plastic bucket and dump the 170 degree water in. I take my bag out of my brew kettle and let it drain. Then the remaining 40% of the water I use to dunk sparge at 170 degrees. Once stirred and at temp I put my brew kettle covered in a 20 gallon rubbermaid bin and cover with blankets and I stir every 20 minutes. Once I hit my pre-mash temp I add the grain slowly (about a 1/4 of it at a time) and stir to avoid dough balls.
I take my total amount of water needed for the batch and use 60% of it for the mash - usually puts me around 2qt/lb of grain (give or take). I have experienced an increased efficiency/conversion rate.
#ROBOBREW BEERSMITH PROFILE FULL#
I recently switched to doing a 60%/40% method for my brew in a bag instead of full boil amount in the mash.
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