Originally Posted by blhblah1
Would I be able to add all of the volume of water at once (6.9 gallons), mash for an hour, remove the grain/drain, raise the temp to 177 and then return the grain to the pot to sparge for 15 more minutes? Thanks!
Yes that will work well for BIAB as long as you pot is big enough to hold the grain and that much water.
I do BIAB in a 30 qt 7.5 gallon pot. For me I start with 6 gallons of water for the mash. When I pull the bag I put it in a 5 gallon bucket and pour 1.5-2 gallons of 190F water on it. I then heat the mash wort to 170 and put the bag back in the kettle for another 10 minutes. Combining the bucket wort with the boil kettle wort gives me about 7 gallons for the boil which provides about 5.5 gallons of beer.
If I had a bigger pot I would start with 7.5-8 gallons of water.