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If you're sparging isn't raising your efficiency, then you're doing it wrong or getting channeling. Grain absorption is an equipment variable, and you will need to adjust it based on your equipment. 0.08 is typical for a BIABer, if you're using a mashtun with a false bottom or braid, then...

Either your volume was higher, or your efficiency was lower. Not enough information to determine which.

I like to limit any flavor component to no more than 3 of a kind, typically 1-2. Otherwise it tastes less complex, and more muddled. Take dark roasted malts for an example, you'll rarely see black patent, roasted barley, and two kinds of chocolate malt together in a grain bill. It's too "busy"...

Not enough info to accurately troubleshoot. Use this https://pricelessbrewing.github.io/BiabCalc/#EfficiencyEvaluation to find out if the issue was conversion (grain/crush/mash), or lauter (nosparge, or recirculation chanelling), or simply a larger grain bill. My efficiency prediction...

Anything you can do with a mashtun, you can do with a BIAB bag. A BIAB bag is no different from a false bottom or stainless braid, except it's a better filter, and can be lifted or pulled to instantly seperate all the grain from the wort. You can sparge, no sparge, decoction, step mash, multiple...

Hey there fellow michigander. There's a number of clubs in the surrounding area if you're interested in joining C.R.A.F.T out of macombs Cap n Cork (meetings move every month). I'm a member Motor City Mashers, who meet monthly at Adventures in Homebrewing in Taylor. Sons of Liberty out of...

Measure the CONVERSION efficiency. If it's low, you can adjust mash pH, crush, or time. Time is a not always hepful though, as you're racing the enzymes deactivating as well.

Just an aside, while mashing does effect the attenuation (fg) the unfermentables are only slightly sweet. There's been some recent experiments that have shown it's not as prevalent of an issue as we can expect. You'll want to control yeast strain, fermentation schedule (which changes attenuation...

Bag size will if it's too small. Kettle size has a very weak effect on efficiency, as wider kettles will have a higher boil off rate.

Provide as much recipe detail as available. 1 gal (4qt) per 3.5 puts you at a thickness of 1.14, which is definitely on the thick side but it's not terrible. It may be done for pH reasons, but more likely it's a standard amount they use for all their recipes.

If you're neither lifting nor squeezing, then you can expect ~0.125 gal/lb absorption rate, and if you squeeze and allow to drip dry fully, or squeeze you should expect ~0.08 gal/lb. As far as efficiency, it is a complicated question that will vary depending on your boil off rate, how you...

Now I'm obviously biased towards my own software, but... I cannot recommend this one, as it has multiple issues. The largest of which is that it uses 0.125 gal/lb as the grain absorption rate which is typical for a mashtun setup and is not true if you're lifting the grain bag out of the mash...

Converted freezer + kegs. I really don't get conicals, they're big and bulky and hard to move around. Kegs are significantly cheaper, durable, have replaceable parts, can spund, pressure transfer, filter, and use them for kegging.

It is 100% an important question, as you don't want to attempt a mash with 23 lbs of grain and find 3 gallons of it on your floor because it didn't fit in the mashtun. Mash Volume = Water_volume_Gallons + (grain_lbs * 0.08 gal/lb)

Just to nitpick, mashout and boiling doesn't truly sterilize, as there are bacteria and spores that will survive boiling temps just fine.

I hadn't realized it was restricted to using weight, but it's not too terrible to convert. If gravity is 1.046, which is the relative density in respect to water, then 1 gallon of it weights 1.046 * 8.3304 ~= 8.73 lb. Obviously no idea on how it will influence SRM or anything like that.

95% mash efficiency is extremely high. I would be skeptical of the measurements if you're used to getting 65%. Can you please provide the recipe and all measurements you took on brewday?

Welp. Thanks for the heads up

Thanks for the comments, you can always tag me in a threat here as well if you have any questions, although often someone else will cover the topic before I even get a chance to see it now that works blocked HBT on the wifi :mad: Anyways, what they've said so far is 100% true. But to clarify...

This is not true, at least in the version that I have. Not sure if it's up to date, but you can confirm this by doing the following Open a recipe, note the Est Pre-Boil Gravity, and cooling shrinkage. (My example: 1.06621. 4.40%) and then open the equipment profile, and change the...