Topic: Boiling

19 result(s).

Pre-Boil vs. Post-Boil Water Ion Concentrations

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This is a really good question. Water chemistry is discussed in terms of pre-mash concentrations with minimal attention given to the concentration of ions following mashing (and boil). Perhaps the primary reason for this view is that water chemistry’s greatest influence on beer is through its effect on mash and wort pH. Malt enzymes, protein

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How Important is Kettle pH?

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Mash pH gets most of the attention when it comes to pH measurement, but there are ideal pH levels at every step of the brewing process and they may get out of line after the mash. The boil pH affects protein coagulation, hot break, and hop isomerization (a higher pH results in a higher hop

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Adding Water to a Boil

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Brewers, and those of us brewers who write about brewing, have all sorts of rules of thumb to help guide us through our brewing journeys. Boil time is one such rule. Some brewers say to boil for a least an hour to allow all of the things required in the boil to occur, and others

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Maximize Partial Boils

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If you are an extract brewer, there is a good chance you will hear (if you haven’t already) that you need to be doing full-wort boils (boiling your entire 5-gallon/19-L batch of beer). The recommendation isn’t bad — a full-wort boil is ideal as it results in a higher hop utilization, ensures all of the ingredients

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Hit Your Post-Boil Volume

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One of the biggest challenges for beginner brewers is to end your brewday with the volume of wort in your fermenter that you intended. This is often a big reason for not hitting the target starting gravity and can be frustrating after all your hard work. So it’s time to dial in your procedure so

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Boiling & Cooling

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Homebrewers employ a variety of equipment to boil their worts, ranging from pots on a kitchen stovetop to modified commercial kegs heated by propane burners. Most homebrew setups involve a “simple” kettle — one with no internal structures for heating or circulation — heated by an external heating source. Concentrated vs. Full Wort Boils Most

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Ramping Up to a Boil

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n a very general sense the time required to bring wort to a boil can cause problems when the time is too long. Holding hot wort for extended time periods leads to heat-related chemical changes, generally termed “thermal stress”. But in a more practical sense this is not normally associated with waiting for the kettle

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Ventilation: Proper Airflow in your Homebrewery

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Having grown up in Northern Iowa I’ve always liked the cold winters, crisp air, and a blanket of snow covering the ground. Northern Indiana, where I live now, isn’t quite as cold but we still get the crisp winters and also the hot humid summers — neither of which are pleasant for brewing outdoors. Like

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Maillard Reactions

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Beer contains hundreds of different compounds that interact with our human senses to create the appearance, mouthfeel, aromas and flavors that we experience and enjoy. The compounds that are contained within beer are either derived directly from the raw materials used to produce the beer, or are the result of the malting and brewing process

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Better Boils

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The Wiz gets on a roll discussing rolling boils and sets the record straight on mash pH.

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Eliminating chill haze

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Chill haze is the product of protein and polyphenol (tannin) interactions in beer and occur when beer is chilled, hence the name chill haze. There are various methods aimed at chill haze reduction and they all either are based on reducing the content of chill haze proteins and/or polyphenols. The first thing brewers can do

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Evaporation rates

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Knowing the evaporation rate of your equipment is important when trying to brew beer to a target original gravity. There a few things that you can consider to solve the problem you


19 result(s) found.