The process of heating the wort to 100 deg. C or higher, causing the wort to boil. Hops are most often added during the wort boil.

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2k views

Where do you brew?

This Saturday (1/2/09) will be my very first time brewing and I am considering my options as far as location. I have seen some folks boiling their wort outside on a gas grill and the smiling people ...
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1answer
246 views

Gunk in bottom of all grain boil

After finishing the boil and chilling the wort for my all grain batches I find I always have a large volume of gunk left of the bottom of the pot. I'm sure it's just spent hops and other solid bits ...
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4answers
206 views

Long boils are ruining enamel on stove, is there any way to prevent this?

I have tried putting aluminium foil about 3 inches out from around burner, but that seemed to exacerbate the problem. I think it helped the insulate the area under the foil. It seems like I am ...
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3answers
122 views

Do you need to boil un-hopped extract?

I'm doing an Epic Pale Ale clone with this partial grain kit. The kit includes two un-hopped liquid malt extract cans. Sterilisation aside, I want some clarification as to whether you should boil ...
3
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1answer
4k views

What is the ideal boil pH?

What is the ideal boil pH? You hear a lot about mash pH, but if you've maximized your mash efficiency and conversion what is the best pH for the kettle? Pre boil? Post boil?
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3answers
1k views

Melanoidins in beer

Where do melanoidins come from in beer? What characteristics do they bring to beer?
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2answers
2k views

What are some popular methods for measuring boil and HLT volume?

Particularly during lautering and during a boil, I have a hard time keeping track of water/wort volume. What method(s) and equipment do you all recommend for accurately calculating liquid volume ...
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3answers
60 views

How do I predict evaporation during the boil?

I am trying to predict the liters/hour evaporated during the boil, so I can adjust the amount of sparging water accordingly. Is there an easy way of doing this a priori by utilising other known ...
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2answers
427 views

Are there any effects of boiling copper immersion chiller with wort?

I’m contemplating the use of a copper immersion chiller. Currently, doing partial batches, I’m able to cool my wort fairly quickly in an ice bath, then adding cooled water in the carboy. I’d like to ...
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1answer
501 views

Making a starter without DME?

Planning to start to use liquid yeasts and will need to do some starters. It is hard to get hold of DME over here (I can get some hopped LME, though). I was thinking on doing a starter from grains, ...
3
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1answer
475 views

Is DMS content relevant when using extract?

Most extract kits suggest simply dropping the extract in the bucket with some boiling water. Do extract brewers need to be concerned about DMS levels or is that taken care of in the starch conversion ...
3
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1answer
59 views

Determining the amount of herbs to use

I am planning on brewing a herb beer; Rooibos Honey Ale. Question one is: How can I estimate (ball park) the amount of herbs to use prior to brewing the beer? Should I make a tea and then calculate ...
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2answers
280 views

Strange black pods in wort - hop seeds?

We just brewed an all grain batch yesterday. There was an ounce each of two types of whole leaf hops (from Freshhops) in the boil. After cooling the wort, we strained it through a fine mesh strainer ...
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3answers
151 views

Keeping the grain … While boiling. Is that bad?

I was wondering something. When I brew beer, I mash my grain for an hour or so at 60-70oC. I then separate the wort from the grain. Then I add hop into the boiling wort for 90 minutes. My friend told ...
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1answer
108 views

How to increase gravity / decrease amount of water in my wort, and extract the same amount of sugars?

I have this problem: I'm regularly achieving 90% efficiency with my mash and sparge, and I like this effect. But I usually end up with about 30 ~ 35 liters when I aim for 20 ~ 22 liters. Boil to ...
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3answers
3k views

Dealing with hot and cold breaks

I'm curious to hear how folks remove the hot and cold breaks in their brewing process? With the hot break, I try to spoon out as much as I can, but this often feels like fighting the wind. When it ...
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3answers
154 views

Boil options with a small pot

I'm about to make my first brew (from an extract kit), it's a 25litre batch (6.5us gal). Following John Palmer's advice I will be doing a partial boil. But the biggest pot I have available is 6litres ...
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2answers
510 views

Evaporation rate

Right now, when brewing, I have one step that is never the same : the boil. Actually, the boil phase is going alright, my problem is with the evaporation rate of my wort. I have a few questions... ...
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3answers
848 views

Any reason not to boil for longer?

I've been looking at ways to improve my brew efficiency, and one method that I've not seen much discussion of is increasing the boil duration. Usually when I finish lautering, the wort coming out is ...
2
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1answer
134 views

Relation Between Bitterness And Boil Strength

Last month I made an IPA with some experimental grapefruit hops with 18% AA but the final product turned out with very low bitterness and low hopppy flavor. The first thing in my head was that it ...
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1answer
830 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 ...
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2answers
111 views

On using a stainless steel tea bag to hold the hops while boiling

We are going to brew a Maibock next weekend and would like to substitute the whirlpool with a a metallic tea bag that holds the hops (pellets) while boiling. We tried a smaller metallic tea bag with ...
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2answers
89 views

What are good cooling times for immersion wort chiller?

As far as I know, DMS is only created above 60°C, so fast cooling after boil is important. My times for 26 liters boil, with homemade immersion chiller (8mm copper pipe) are: 7 minutes to 55°C (20 ...
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2answers
45 views

Is DMS created every time you heat wort?

I've had a few experiences that lead me to suspect this. A few times I've stored a small portion of wort for priming with gyle, and each time I re-boiled the wort for a short period, 10 minutes or so, ...
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1answer
135 views

pre-boil water the day before?

I live in an area with hard water and I usually treat my water with a campden tablet. It's usually fine but I'd like to try something different. Can I boil my water the night before brew day and leave ...
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1answer
178 views

Boil size, ABU's and adding LME

I see version of this question has been asked, so apologies for the repeat but its never quite answered in the way I need. I made a batch last night and noticed half way through the process that ...
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1answer
256 views

After how long of a boil will LPT1 and other head retention proteins denature?

I've read that certain proteins denatured during the wort boil is responsible for causing great, delicious foam. I don't get me no foam. I'm also doing partial boils using extract. So my question ...
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1answer
86 views

My propane burner is hard to ignite, and when it does, the flames are small

I have a Bayou Classic KAB4 propane burner, which I've had intermittent success using to bring my wort to a boil. When I hook it up to a full tank it seems to work fine, but when I use a tank that is ...
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1answer
185 views

What does it mean when a recipe calls for a boil addition of coffee in pounds, but also mentions brewing the coffee?

Context: I know that there are a bunch of different, hotly debated opinions on how/when to add coffee to beers. I'm much too new to be a loyalist, but I am confused: I'm brewing a Russian Imperial ...
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1answer
330 views

Leaf Hops in Primary

I used leaf hops in my boil and did not filter them out when I transferred to primary. I thought it'd be like pellet hops, which settle down into the yeast cake. This is not the case, though. They ...
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1answer
511 views

First Home Brew - Double IPA - Boil Question

I am in the middle of my brew for my first home brew, a Double IPA from Brewer's Best. I added the first package of Columbus hops at the start of the boil as instructed, and its as if they haven't ...
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3answers
198 views

How can i stop losing so much water during brew

I am brewing with a 25l HLT, 30l Mash tun and 52l boiler. I am boiling 20l to 25l water in the HLT and losing some water during the Mash and Sparge. By the end of the sparge I am getting about 15l ...
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3answers
3k views

What is the Maillard reaction, and why should I care what a duck thinks?

What is the Maillard Reaction? What does it do for my beer? What can I do to encourage or discourage it?
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3answers
245 views

How to make more beer than I can boil?

I will soon need to buy some more equipment, but I want to think it a little bit what I really need to buy and in the meantime I will try some workaround. I was thinking of brewing mash/extract ...
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1answer
88 views

Testing bitterness during boil

Will be modifying a recipe and while I know the alpha % of the bittering hops and this being the first time I'm altering a recipe I'm wondering during the boiling process have I added enough bittering ...
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4answers
505 views

What is the use of aromatic notes of bittering hop single-purpose?

My knowledge about hops and their contributions to bittering and aroma: The hops can be grouped by four purposes, being: Bittering, Aroma and Dual, the dual can be divided yet by "bittering/aroma" ...
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2answers
306 views

Gravity going down during boil. How can it happen?

Can you think of any scenario (apart from errors of the measurement tools) where gravity actually goes down during boil. Normally, due to the loss of water, gravity should always go up. During our ...
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3answers
164 views

Camping stove as a wort heater

I'm looking for a way to get a good rolling boil on 5 gallons of wort, on a really tight budget What are my best options?
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3answers
803 views

Should I have extra wort for boil when using leaf hops?

The first time that I brewed with whole flower / leaf hops, my more-experienced homebrewing friend said that I should have more wort than usual at the start of the boil, because the dried leaves will ...
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1answer
336 views

Would insulation on a kettle help a boil at all if the lid was off?

I bought an 1800 watt induction cooktop and 2 1000 watt bucket heaters that unfortunately were not able to boil 6.5 gallons of H2O in 90 minutes, although it appeared to get close and perhaps 0.5-1.0 ...
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1answer
663 views

Why does gravity increase between pre-boil and pitching?

My handy-dandy "Beer Craft" book has a handful of recipes with useful information, including expected targeted pre-boil gravity, original gravity, and final gravity. Their pale ale recipe, for ...
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3answers
300 views

Electric brewing inside

It's starting to get cold out there but I still want to brew. I started looking into electric brew kettles (i am still new and only using extracts kits). Most of the stuff I read online is about ...
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1answer
237 views

Mashing bag problem

I tried for the first time using the BIAB method and ran into a big problem with the mashing bag. I placed all the ingredients (9lbs of different grains) in the mashing bag without thinking of the ...
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2answers
5k views

What does “steeping hops” mean?

In an IPA recipe I came across, a final small addition of hops is supposed to be "steeped". What does this mean? Is it just a different way of saying "add at knockout"? The recipe is here ("The ...
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1answer
234 views

Why does stirring the wort lead to swirls and bubbling?

I'm a beginner brewer, but I've noticed that on every batch I've done so far, when the wort is boiling, and I stir the wort, it ends up behaving this way. Can anyone explain why this happens?
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1answer
8k views

Where to buy an immersion heater?

I'm planning to make a Hot Liquor Tank with a 5 gallons cooler and an immersion heater, but I don't have idea about where and which immersion heater I need. I read a tutorial, and the guy is using a ...
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1answer
2k views

Screw dimensions for camco/reliance water heater element?

I'm planning to install a water heater element in my boiling kettle. I have been looking at the Reliance and Camco elements but since neither is easy to get by in Finland I really need to go for a ...
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1answer
73 views

Which kind of hop should be used on a First Wort Hopped (FWH) beer?

Should I use Aroma or Bittering hop on my FWH? The time between the FWH and the boiling should be taken into account or it does not matter?
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2answers
190 views

How do I set up a Sestos D1S temperature controller with an NTC temperature sensor probe -40-120C

I have not succed to configurated my SESTOS digital PID with an temperature sensor probe working between -40°C to + 120°C. I put CtrL to 3 ( PID ) SN to 20 ( cu50 matching my sensor ) and Op1 to 2 ( ...
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1answer
51 views

Effect on a low gravity boil size on IBUs in the final batch

This question is a follow-up to the original one regarding the effect on boil size on IBUs. (Effect of boil size on IBUs) I understand that the boil gravity tends to lessen the utilisation of hops and ...