BIAB the night before

[Timelord_]

Time is pretty limited in our household, which makes me wonder if I can do the BIAB. " soak" the night before. I would bring I think up to mash temps, let th grain do its thing, then after the hour or so, pull th bag.

Th next morning I would the heat the wort snd bring to boil. Anything to worry about?

[sleepyjamie]

I wouldn't recommend letting the mash cool then reheating. This isn't something that has been studied.

Here's my recommendations

- Do 30min mashes and 30 min boils and keep the brew day time sensitive. This has been studied by brulosophy blog with success.

or

- Do a 24 hour mash keeping the mash temp constant and recirculate sous vide style https://anovaculinary.com/

[amartin]

You could always mash the night before, and then pull the bag and bring it up to a boil. Then cover and insulate and boil the next day. Or, just have the grain crushed and minerals measured and everything, and heat the water up to boiling. That way you can probably mash in soon after you get up, depending on how much it cools off overnight.


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[Woody]

I mash for 7 to 8 hours all the time with no issues. I insulate my pot with a jacket and sleeping bag. After the mash I pull the bag and boil. It may be easier to maintain heat with the grain. All I have found is I get an extra 4 points. You don't want astringent flavours so I'd recommend adding the dark grains a few minutes before you pull the bag. Do what works for you. I'd mash over night but as you can see we all have different experiences and what your thinking can be done. If I mash at 150F at the end of 6-8 hours I'm usually around 140-141 F. I'd be nervous if the mash went under 130F.

[Halifax_Jeff]

I haven't done this with BIAB but I've done overnight mashes in my cooler and mash out in the morning. Worked fine for me and broke up the long tedious brew day nicely.

The suggestion to boil your water the night before might be good for you. That way you can wake up and hit your desired mash temp fairly quickly and start your boil after breakfast and a coffee

[mthibodeau]

You could always mash the night before, and then pull the bag and bring it up to a boil. Then cover and insulate and boil the next day. Or, just have the grain crushed and minerals measured and everything, and heat the water up to boiling. That way you can probably mash in soon after you get up, depending on how much it cools off overnight.


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I've done this, not overnight but put it aside for most of a day and boiled at night, it worked out nicely

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[RubberToe]

I've done overnight BIAB mashes, morning mashes, all day mashes... I've let the mash sit in the bag, and also raised the bag to let drain after a normal length mash followed by a bring to boil (or almost) to kill the enzymes.

All of those methods are fine. As mentioned, you will likely see an increase in conversion efficiency. If I'm doing an extended mash like this I'll start with a slightly higher mash temperature since that increases the breakdown of amylase enzymes.

The biggest thing is RDWHAHB.