Tagged Questions

Extraction or mash efficiency - the percentage of actual sugars extracted from the grain compared to the theoretical maximum.

3answers
87 views

When/How to Measure Pre-Boil Gravity to Determine Mash Efficiency

I routinely take my pre-boil gravity after sparging to determine mash efficiency so that I can throw in DME or Dextrose for a lower than expected yield or add water for a higher than expected yield, ...
0answers
18 views

Missed Expected OG, Sparging Issue? [duplicate]

I brewed my first all grain batch this past weekend and everything went pretty smooth except my OG was 1.050 instead of the 1.056 I was expecting. Would this be a sparging issue? I had calculated a ...
2answers
260 views

Gravity reading much lower than exected: why?

Okay, so my friend and me made an experiment yesterday. We wanted to brew a >20%, 300+ IBU IIPA. Yeah yeah... I know :) Now to the question. We used 10.5kg of grain for 26.25 liters of water for the ...
2answers
124 views

How to Compensate for Higher than Expected Extraction Efficiency

What is the best way to handle a higher than expected extraction efficiency without compromising the flavor of the beer? If I'm brewing a blonde ale for example, aiming for a 72% extraction ...
1answer
87 views

Conversion efficiency

What is the typical conversion efficiency during a normal single-rest mash (152 F/67 C, 3 l/kg)? I usually get around 80 %, but Braukaiser claims that it should be close to 100 %. I mash for 60 ...
1answer
277 views

Litres / Gallons conversion

Hope this doesn't sound like too daft a question... but I'm English and a noob so please humour me :) When I am reading recipes, brewing instructions, calculations, etc. from American documentation ...
3answers
1k views

Poor efficiency during first all grain brew, need an fail safe for next brew

For my first all grain brew I bought an octoberfest all grain kit from morebeer. Before brewing with it, however, I decided to try a very cheap smash recipe. I ended up with a very low efficiency ...
1answer
3k views

How can I fix low starting gravity?

I made my third all-grain batch last weekend. I have had issues getting decent efficiency so I added a couple extra pounds of ESB malted barley (11lbs, instead of 9, and about 3lbs of specialty ...
2answers
142 views

Is it Possible to Collect Too Much Volume From Mash Tun?

I'm still new to the all-grain scene and I've messed up my sparge more than once, leaving me with a pre-boil gravity that is too low. I got to thinking, if I fall short (in pre-boil gravity) in the ...
1answer
369 views

How does efficiency change when adding grains that are normally steeped to a mash?

Imagine this scenario: you have a an extract recipe that contains a pound of steeped caramel malt. According to http://www.promash.com/FAQ/faq_diff.html the average efficiency of steeped malts is ...
2answers
682 views

BIAB efficiency

I have been doing some batch sparging with the Denny Conn method, and it works great! I also wanted to try, in the days that I want a slightly shorter brew day or a smaller experimental recipe, a ...
4answers
2k views

Mash Efficiency vs Brewhouse Efficiency

I'm trying to understand the difference between Mash Efficiency and Brewhouse Efficiency. Is Brewhouse Efficiency essentially the efficiency of Mashing AND Lautering, whereas Mash efficiency would be ...
2answers
194 views

Mash Efficiency and Quality of Wort

I recently achieved a 94% mash efficiency on a batch of Saison and was pretty stoked thinking, wow, 94% is much better than the the 72% I did last time. I must be getting better at this... But then ...
2answers
2k views

How can I raise my mash pH with something other than chalk or baking soda?

I recently moved to Rhode Island and my mash efficiency has suffered. The main part of my process that has changed is the water. The pH as measured by colorpHast strips (and two other off brands) ...
1answer
194 views

Mash Efficiency With Top Off

I just put my second AG batch into the primary, but I ran into an issue I need some help with. When I did my first AG batch, I used water that was treated by a water softener (I know, I know...it was ...
2answers
2k views

What Calcium ppm is required in the mash for alpha-amylase stability and mash efficiency?

I recently moved and my water here is quite soft with a very low pH. As such, I've taken to adding many of my brewing salts in the brew kettle and only using salts in the mash to balance the pH. ...
7answers
11k views

Why is my starting gravity low?

In the fall of 2011 I made the leap from extract/partial kits to all-grain kits. I'm enjoying AG, but my SG is continuously below the expected. I have brewed 5 AG kits and 4 have had a low SG. My ...
2answers
473 views

How do I calculate mash efficiency with BeerSmith2 when doing a partigyle?

I designed a barleywine in BeerSmith2, made it, plus I made another beer afterwords from the same grain. My mash efficiency on the first runnings turned out to be 75% (I put the grain bill and ...
2answers
809 views

fly sparging - stopping and efficiency

For the few years I've been brewing AG, I've used batch sparging with a 70qt cooler. But this year I've built a new brewery which is equipped for fly sparging, so I'm trying that. With fly sparging, ...
3answers
522 views

Does a smaller false-bottom affect efficiency?

Last night I picked up a 10-gallon cooler mash tun. It was supposed to come with a 12" false bottom, but the LHBS was out of those. Instead they offered me a 10" false bottom, saying that it would ...
4answers
2k views

What are some methods to increase extraction efficiency and consistency?

I've got some irregular sugar extraction efficiency problems. My efficiency is regularly low. I need your help. :) I get anywhere from 60% - 85%. I've fine tuned my mill to the best of my ability, so ...
1answer
774 views

First All Grain Batch / LOW Efficiency

Yesterday I went down to my homebrew retailer, planning on buying a simple screen/valve assembly for a cooler. No go. He didn't have any of THOSE left, however he did have an assembly to use an ...
1answer
188 views

What is conversion?

While answering another question, about mash temperature, the question about conversion and how long it takes came up. So what is conversion? I think we all know its the process of enzymes converting ...
3answers
2k views

Are Sparge Arms Necessary

Do you really need a sprinkler of some sort to sparge? Does it really improve the lautering process? How fancy does a sparge arm need to be, does it really have to rotate or can it just sprinkle all ...
5answers
837 views

Shorter Brew Day

For all grain brewers, what part of the brew session lends itself best to shortening the total brew session. Time is tight for me these days and shortening up the brew session a bit will certainly ...