![]() But then I still have the same issue.the retained liquid is still wort after the bag hangs and drains again. I thought about batch or dunk sparge the grain bag in a bucket with some extra water. By the time I reach my pre-boil volume, the fresh water will have displaced most all of the remaining wort/sugars in the grain. As fresh hot water is sprinkled over the top, any wort in the grain bed is displaced down and into the kettle below. ![]() Well I thought sparge and lauter were kinda the same thing.īasically what I'm doing is rinsing the grains with the flow of water thru the grain bed. And that still does not include the maple syrup that goes into the keg which will ferment and carb it up over the next 6-12 months.Īnd I was still able to move the basket to another bucket and sparge another 3 gal with SG 1.040 for a second beer. Finished at OG 1.114 after the scheduled DME addition. The results? I hit the same pre-boil SG 1.078 volume with 10% less grain. I then sparged the basket until I reached the same pre-boil volume as my old recipe. When I pulled the basket I let it drain fully into the kettle and did not disturb the grain bag inside the basket. I let it drain/drip the entire boil with occasional squeezes.īut this time I cut about 2 gal of water from my normal BIAB full volume mash. I usually let it drain a bit and then hoist the bag separately so it squeezes the grain as it drains (the normal BIAB method) and remove the basket. My bag is in a basket which serves as a false bottom, so I can hoist the basket and not disturb the grain bed or squeeze the grain bag in any way. This time I reduced the grain bill by 10% but I'm still over 20# of grain on a 5 gal batch. I'm trying to figure out how to basically have close to zero residual sugar in the grain without having extra kettle volume thin wort to boil down. I recently did my RIS recipe with less mash and then sparge to volume I used 90% of my normal grain bill and hit pretty much identical numbers. So the last of the runnings are close to 1.000 and only needed for target recipe volume. The idea is to get maximum converted sugars of the grain and into the kettle with the least water used. Would holding back a gallon affect conversion efficiency? If you can reach 100% conversion with 80% mash volume then you can lauter more sugar into the kettle. Or could use less grain and get the same numbers. ![]() You would still reach your target pre-boil volume but with a higher SG. Displacing the residual wort in the grain with mostly water. gravity only drain means residual wort retained in the grain bed.īut if you used a little less water to mash, then a sparge with water only would rinse much of that residual wort down and out. My thoughts are there is always retained water no matter what. Or full volume mash plus a sparge, and then have to boil down to reach pre-boil volume or target SG? Or do you mash less than full water volume, gravity drain, and then sparge to volume? Do you full volume mash, pull the basket and only let it gravity drain to your pre-boil volume?
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