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Beer Brewing Guide - Step 2: Mashing

Beer Brewing Guide - Step 2: Mashing

The mashing process is a central step in beer production in which malt and water are mixed to form a mash. The starch contained in the malt is converted into fermentable sugars in this step. These later serve as an energy source for the yeast, which uses them to produce energy, alcohol and carbon dioxide during fermentation.

Step 1: Malt selection and preparation

Before the mashing process can begin, careful selection and preparation of the malt is crucial.
If you have not yet familiarised yourself with the raw materials, you can also order ready-made malt packs with great recipes here.
Malt can be made from different types of grain such as barley, wheat, rye or oats. The malt grains are soaked, germinated, kilned and crushed in the brewery. The mill crushes the malt into a grist of coarse flour and husks (this is the husk of the grain, which is important for the lautering process) and is then mashed.
Also read our article on grinding oft he malt

Step 2: Mashing in

The actual mashing process begins with mashing in, in which the milled malt and water are mixed at a certain temperature in a mash tun. The mixture of malt and water is known as the mash. Mashing should take place at temperatures above 60°C so that the protein breakdown is not too strong, which would otherwise lead to foamless beers.

Step 3: The resting times

During this resting phase, the enzymes in the malt have the opportunity to break down the starch contained in the malt grains into different types of sugar, especially maltose. This step is crucial as it influences the flavour and sugar composition of the final beer.
Mashing is followed by the resting times, which last 30 to 60 minutes depending on the recipe. Most resting programmes include a maltose rest and a saccharification rest. During the maltose rest, the β-amylases work at 60-65 °C (due to the harvest, the optimum temperature is currently 64 °C) to convert starch into maltose. Maltose forms the majority of fermentable sugars for the yeast and its content determines the final degree of fermentation of the beer. The resting time here is typically between 20 and 45 minutes, depending on the beer style. Shorter rests lead to sweeter beers, longer ones to drier, more alcoholic beers. During the saccharification rest, the α-amylase works optimally in the temperature range of 70-75 °C. This is where the remaining starch is broken down and longer-chain sugar molecules, known as dextrins, are formed. These are not metabolised by the yeast and remain in the finished beer, giving the beer residual sweetness and a full flavour.

Step 4: Temperature control

Temperature control is very important during the resting period. If the mash becomes too hot or too cold, this can affect enzyme activity and lead to undesirable results.

Step 5: The mashing process

After the resting time is complete, the mash is subjected to a further step - mashing. Mashing takes place at 75-76°C and serves to enzymatically release the last components of the starch from the spent grains and to reduce the viscosity of the mash, which facilitates the lautering process.

Step 6: Checking the original gravity

The original wort is measured to check the dissolved sugar during the mashing process. This value essentially indicates how much sugar has been extracted from the malt and is crucial for determining the alcohol content of the beer. An initial measurement of the original gravity at this point provides an indicator of how much water can be added to achieve the target original gravity for the planned beer.
The brewer usually aims for a high malt yield and maximum utilisation of his kettle, which he can only determine by measuring the original gravity.
By keeping a detailed brewing log with exact quantities of malt and water and by taking measurements, the brewer can calculate his yield and determine the quantity of malt and water for the desired target original gravity in future. Find out more about measuring original gravity here.

Final remarks

The mashing process is a central step in beer production in which malt and water are converted into a mash to produce sugar. This sugar serves as a food source for the yeast during fermentation and has a significant impact on the flavour and quality of the beer. Careful control of temperature, resting time and wort yield monitoring are crucial to producing a high quality beer. With experience and dedication, brewers can master the mashing process and create unique beers that delight the palate. The mashing process is therefore the first step on the way to a great beer.

 

EasyBrew Stainless Stell Brewing kettle 36L with discharge tap 

Weck / Braumarkt 

cooker 

EasyBrew SB 30P Brewing System 

Grainfather G40  Brewing System 

Speidel Braumeister  Brewing System Plus 20L 

Digital Temperature controll 

X 

 

 

 

 

Timer & Temperature settings 

X 

 

 

 

 

Automatic stirring /Circulation 

X 

 

 

 

Integrated Lautering 
(Grain basket) 

 

X 

Lauter tun / BIAB necessary 

 

X 

Lauter tun / BIAB necessary 

 

 

 

Recipe automation 

X 

X 

 

 

 

Pre saved recipes 

X 

X 

X 

 

 

PID-Heating control 

X 

X 

X 

 

 

Cooling jacket 

X 

X 

X 

X 

 

Possibility to ferment 

X 

X 

X 

X 

 

Size (Hx) 

38cmx35,5cm 

35cmx30cm 

79cmx40cm 

72,5cmx55,5cm 

60cmx40cm 

Cleaning 

By hand 

By hand 

Cleaning solution + pump 

Cleaning solution + pump 

Cleaning program 

Price 

124,95€ 

199,95€ 

495€ 

1.349 

2.295€ 


Braumarkt Beer Brewing Guide

Easybrew Brewkettle 36 liter with tap
36 liter brew kettle with an extra thick bottom suitable for brewing 20 to 25 liters of beer. High quality.304 grade stainless steel/INOXBrushed stainless steel look25 liter capacitySturdy Tri-clad bottomSturdy handlesStainless steel ball valve with handy coupling for a hop bazookaLaser engraved graduation in liters on the inside of the pan.Inside pan size; D 35.5, H 38.0Our Easybrew brewing kettles are in principle suitable for induction cooktops. Some cooktops however may not offer an advanced temperature control during mashing. Please use an induction cooktop of which the heating unit matches the diameter of your brewing kettle.

€159.95*
not Available
Weck W25A Thermostat & Time Clock & Tap
Type W25A canning kettle Adjustable thermostat incl. timer + tap 220 volt, 1800 Watt.  The device has a pilot light and a special position for dejuicing (juice inlay sold separately) Special position for dejuicing (juice inlay sold separately) Venerable Stainless steel, with flat bottom Diameter: 35 cm  Height 30 cm.  Content: 30 ltr. (can contain 14 weck jars of 1 ltr, or 21 weck jars of 0.5 ltr)  Supplied complete with inlay roster.  The stainless steel models have been set to 1800 Watt element to prevent local overheating at the bottom of the kettle. 1 year warranty  Dutch user manual  Note: If the thermostat Weck boiler is put into "kochen/entsaften" position, all the water in the kettle will evaporate. That is because you then turn off the on/off control of the thermostat. The light will stay on continuously . This position is meant for using the -separately available- dejuice inlay. In this position the on/off switch will not be working! This Weck kettle is intended for household use. Attention! In the accompanying instructions it is clearly stated that the water in the canning kettle needs cooling after use before the kettle is emptied. If you fail to do this, there will be damage to the electronics and your warranty will be dropped (because of incorrect use)! Also, the legs of your wire grid will melt.

€199.95*
not Available
Easybrew SB30P all-in-one brewing system + wort chiller
Easybrew SB30p automatic brewing system. Specifications: Capacity from brewing kettle 30 liters (304 stainless steel / Inox). Separately mounted sight glass (works also when pumping)304 stainless steel malt pipe Nine programmable (mash) steps Reliable built-in magnetic pump Adjustable alarm / reminder function Stainless steel malt pipe, top and bottom filters With circulating tube, tap and camlock couplings Adjustable temperature (0.5 ºC steps) Handy tempered glass lid to control the brewing process Adjustable power 2500 watts Dutch and English manual. 3 years warranty The Easybrew SB30p is an all-in-one brewing system and we include a high capacity stainless steel wort cooler. To connect your wort cooler, we recommend using a 9 x 13 mm diameter PVC hose. By heating you can use a standard Gardena coupling.

€395.00*
not Available
Grainfather S40 brewing system
The Grainfather S40 brewing system has a 46L capacity, allowing you to create 40L of your own beer every time that you brew. This product has a high grade stainless steel build and is packed full of features to make every brew easy. Features: 304 grade stainless steel body Easily manage heating using the digital controller with colour display Built in pump for maximum brewing efficiencies Easily cool wort with the stainless steel immersion chiller Recirculation arm for more efficient mashing 2-year warranty Whats included: Grainfather S40 Grain basket Lid Immersion chiller, hoses connection fittings Recirculation arm wort sprayer Built-in pump

€549.00*
few Available
Speidel Braumeister 20L PLUS
Now even newer: like the original, but better. That’s the #Braumeister PLUS with new brewing control unit and with the known welded-on double jacket for cooling. The new automatic control system brews with your own individual recipes and guides you through the brewing process. Recipes and software updates can be synced automaticly with the integrated wifi. The time and temperature are precisely maintained through all brewing phases (temp sensor in the center rod in the middle of the malt). In contrast to the cumbersome equipment of some other hobby brewers, the Braumeister does not need to be stirred all the time. Thanks to the patented malt pipe technology, the wort is circulated gently and conveniently. Nothing can burn on and nothing needs to be racked during the brewing phases. This way brewing more complex beers is easier than ever before. The #Braumeister PLUS is available with a capacity of 20 or 50 litres. For emptying the waste water there is an additional outlet tap mounted to the tank bottom, which makes cleaning remarkably easy. features New control system with touch screen integrated brewing guide Wifi for software updates and sync of recipes Made of stainless steel Cooling jacket for easy and hygienic cooling with water Quantity: 20 l of finished beer (normal beer) = approx. 23 l of wort Max. malt quantity 6 kg Additional outlet valve in the bottom Whether you prefer wheat beer, Maerzen or Altbier: all kinds of beers can be brewed with the Braumeister. You will certainly taste the difference in quality between your own beer and indistinguishable, mass-produced beers. But be careful: Anyone who has ever got the taste, will care no more for commercial brews that all taste the same. After this you won't want to do without natural brewing without pasteurizing, good ingredients and leaving out chemical additives.

€2,295.00*
few Available