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2
votes
1answer
284 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 ...
2
votes
2answers
173 views

What is the effect of conversion efficiency on your brew?

I keep hearing about how we should try and keep our conversion efficiency high, but what exactly does it affect? Is a lower conversion efficiency beer bad?
3
votes
1answer
495 views

Can beta amylase eat sugars after alpha amylase?

A bit of background -- I brewed a pumpkin ale recently. The mash temp was maintained fairly high (well above 150F) for at least a full hour. The sparge was a disastrous 3-4 hour experience (despite ...
2
votes
1answer
448 views

Converting Hops in All-Grain to Extract Recipe

I have this All-Grain recipe that I'm converting to Extract. Do you basically just increase the hops until the IBUs match the original measurement? I've gotten the OG fairly close and the SRM is a ...
1
vote
3answers
151 views

Will Adding an Active Mash to a Non-Active Mash Get Enzyme Activity Started Again?

Background: A friend of mine does ten gallon batches of big beers, so has a lot of grain. After mashing, his technique is to fly sparge with 170 degree water. I understand this shuts-down enzymatic ...
7
votes
2answers
2k views

Is the iodine test for starch conversion pointless?

Looking around the web there seems to be a lot of mention of the use of the iodine (starch) test at the end of your mash. Is it actually useful (i.e. is it reliable)? There have been times when I ...
6
votes
2answers
197 views

Needs to be mashed

I recently had a debate with a brewing buddy of mine about malts that "need to be mashed". For instance victory malt is listed in Palmers "How to Brew" as being in the needs to be mashed column. I ...
3
votes
3answers
4k views

How do you convert between SRM and Lovibond?

For instance, if a grain is specified at 300 SRM, what is the equation to convert that to Lovibond? What is the equation to convert it back?
4
votes
1answer
169 views

Cereal Mashing for Adjuncts

What is the step-by-step process for cereal mashing adjuncts? Please include temps and grain to volume ratios.
6
votes
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 ...
10
votes
2answers
12k views

What is the conversion rate between dry malt extract (DME) and liquid malt extract (LME)?

Say I have a recipe that calls for 5 lbs of LME. How much DME would that be?
6
votes
3answers
1k views

All-Grain to Extract and Steeping

I'm wondering how this can be converted to an extract recipe. Initially it was thought we could just do 14lbs (US 2 row) * .75 = 10.5lbs of extract, but then the question was asked if the rest of the ...
4
votes
3answers
1k views

Cara Pils Dextrine

Want to use Cara Pils-Dextrine in my next brew to add body and aid in head retention. I have not made the jump to all grain yet, and I am doing a partial mash. Will steeping/mini-mashing Cara Pils ...