Questions tagged [sanitation]

The practice of removing the majority of microorganisms from equipment, utentils, fermentors, bottles etc. that comes into contact with the cooled wort. Poor sanitation can contaminate the wort, producing off-flavors.

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Is there any potential risk in making beer/mead in the same way as it was done in historical recipes?

To preface, I have zero experience with homebrewing. I mainly am interested in these recipes specifically because they seem super simple and don't require any specialty equipment. I enjoy watching ...
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Carboys and dishwashers

I have this 15 Gallon stainless steel carboy, and cleaning it is always an adventure before I start my next fermentation. As luck would have it, removing the to rack means my carboy fits EXACTLY in my ...
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Accidentally used 100% unsanitized gear for brew - should I toss it?

tl;dr; I sanitized my mash pot, fermenter, and everything with water. Is it ruined? I'm two days into fermentation of a high gravity imperial stout, and the yeast is burping nicely. Due to a mix up ...
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Is potassium metabisulfite necessary for sanitizing the fermentation bucket?

I had multiple successful wine brewing experiences without sanitizing the bucket with potassium metabisulfite. Is it really necessary? How often should I sanitize the bucket? I know potassium ...
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What is the expected degradation of Sodium Metabisulfite?

I have a jar of Sodium Metabisulfite which has been opened and used from. A volume of about 4 oz. is left and looks to be in good shape. I would want to use it to sanitize some equipment. Should I ...
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Hydrometer reading - should I discard or reintroduce the sample?

I'm new to brewing beer and want to keep a close eye on SG, but I'm mindful of the potential cost when taking several hydrometer readings. Assuming all my equipment is sterilised, is it OK to return ...
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4 votes
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Wall sockets for Cornelius kegs line cleaning

I'm looking for a line cleaning socket for a Cornelius keg fitting. I've worked in the pub trade (UK) for more years than I care to remember so know how bars are set up and I am familiar with line ...
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Can I Use My Sanitizers(PBW, Starsan) For Personal Hygiene?-CORONAVIRUS RELATED

As the coronavirus keeps spreading, I was wondering if we can use the sanitizers that we use in brewing for personal hygiene? I'm having difficulties finding sanitizers as everything is sold out here. ...
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Can I reuse a bottle that had a sour lactobacillus beer in it?

I had a very nice sour beer that had lactobacillus in it and was wondering if I can clean and reuse the bottle? I have not made any sour beers yet but I've read you should keep separate brewing ...
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Peroxyacetic Acid availability

tl;dr Do you know where to buy, food contact PAA in packaging ≤5kg and concentration ≤5% ? I was going to buy Peroxyacetic Acid that already have long history of use has been approved by EU, but it ...
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Will this spoil?

Mead in secondary, looks to be going well. However, the lighting isn't totally dark. Also, there is a single dog hair in the carboy, but not touching the mead. There seems to be very little oxygen, ...
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Is it OK to bottle condition using previously contaminated bottles?

Almost a year ago I made a saison batch that got contaminated, I stored it out of sight(without emptying them) and forgot about it. Suppose I empty the bottle now, wash them good and sanitize them ...
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Will baked bottles stay sanitized if kept inverted?

This site has quite a few post on how to clean and re-use bottles. In this community wiki, we learn that by putting foil over the top of bottles and baking them for 60 minutes at 340, we will ...
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Bread Kvass Safety Concerns

My first brewing experience is gonna be bread Kwass (following this recipe). Now, I browsed a bit to get some info, and I only managed to get terrified. There are three concerns that I would like you ...
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1 answer
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Dry Hopping Measuring Cup

When measuring hops for dry hopping, do I need to sanitize the cup I put the hops in on my scale? I recently started buying hops in bulk and I've never had to weigh hops before pouring them into the ...
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Is it necessary to pasteurize frozen juice concentrate used for brewing?

For my ciders, I've always either pasteurized the juice when I've started with fruit, or else used pasteurized bottled juice. It seems to me that frozen concentrate should be a quick & dirty (...
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Loss of Head retention

i’m having a problem with head retention in my latest brew. Is there anything I can do to improve the head once the bottle is opened ?
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Star-San and Aluminum Issues

Have used Star-San for years in my home brewing, I recently saw some information on the web that it should not be used on aluminum substances, i.e. pots, kegs, etc. Reviewing the pdf about Star-San I ...
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Does Iodophor change the flavor profile of beer?

I am using Iodophor as my no rise sterilizer. Is this a safe sterilizer and because it doesn’t breakdown like other no rinse sterilizer won’t it affect the flavor profile of the beer?
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How to sanitise cherries?

I intend to make a melomel based on a Polish trójniak with (sour) cherries. As we're in season, I will probably buy fresh fruit at my local grocery store or market. What I wonder about is how to best ...
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Spraying Starsan over fermenting wort

Hi guys I have a question, I just brewed Omnipollo 2:14 clone, and the recipe calls for 1.3 kg of raspberries, I soaked the bag in the starsan,roughly sprayed the frozen raspberry with starsan too and ...
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How do you let water sit until the chlorine vapours off without any contamination?

So, apparently if you let tap water sit for a few days the chlorine will evaporate off but how can one safely expose the water to the the air without risk of contamination from airborne particles?
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Should I rinse my equipment after sanitizing with Star San HB Five Star?

I want to begin my first batch but I know sanitizing is really important and I don't want to make mistake about it, so I read How to brew - Everything you need to know to brew great beer every time ...
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Effectiveness of Neale's Brewing Supplies no rinse sanitizer

What Ph level does Neale's Brewing Supplies sanitizer remain effective to? It has a similar ingredient list to starsan, which is listed to be effective so long as the pH of the solution is 3 or lower....
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Sanitizing: Does the same standard apply for "DIY Juice alcohol"

I'm new to the home-brewing process and I am attempting an experiment in which brewing yeast is added directly into juice for a period no longer than a week so that the yeast converts glucose into ...
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5 answers
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Beer with Metabisulphite rinse

I made my first cider 3 weeks ago and the home brew shop gave me sodium metabisulfite as a sanitizer (1tbsp per liter) and anti-oxidant (1/8tsp per gallon). Last week, I did my first beer (5.3 ...
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Apparent steriliser residue left on bottles; is this safe?

A few months ago I bottled using Wilko's Bruclens steriliser: http://www.wilko.com/homebrew-accessories+equipment/wilko-cleaner-and-steriliser-100g/invt/0022658 After sterilising I gave the bottles a ...
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3 votes
2 answers
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Why is tri-clamp considered sanitary and other connectors not?

I've read that an advantage with tri-clamp connections are sanitary. I get the impression that they say that camlock and QD are not sanitary. What is it that makes tri-clamp sanitary and camlock isn'...
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Beer having an aroma more like wine/champagne

It's my first time brewing, and I chose a DIY Cooper's kit since I don't have much room in my apartment. Everything went well while dumping the things in the fermenter, although, it seems it has a ...
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4 votes
1 answer
239 views

Got major contamination in my brew

Something crazy happened. Out of my last 8 batches of mead and beer 6 came out infected. I am cleaning my equipment with PBW and sanitizing with Starsan. I make my batches in the kitchen (both beer ...
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Elderflower "Champagne": would sediments from a first batch help the second one?

I have made elderflower "champagne" a few times using a traditional method without added yeast, simply relying on the natural yeasts on the flowers. Similar to sourdough, the results may vary a bit ...
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6 answers
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Can a bad odor from an empty fermenter be a sign of contamination?

I'm new to the hobby and recently made my first brew, I've used a simple plastic fermenter (25L) for primary, and after I finished the bottling process I washed the fermenter and waited for a couple ...
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1 vote
1 answer
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Iodophor and StarSan reaction?

I have a spray bottle of Iodophor, and a spray bottle of StarSan. Is there any issue with the two products reacting with each other? In other words, can I spray something with StarSan, and if I ...
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Are there levels of contamination in a beer or is it a case that it's either "contaminated" or "not contaminated"?

I am trying to understand the nature of contamination in beer. I find it difficult to imagine (considering there are wild yeasts and moulds and micro-organisms in the air - aren't there?) a scenario ...
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2 votes
2 answers
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What are best practices for cleaning and passivating stainless steel pot/fermenter?

What are the recommended ways to (a) clean/sanitize stainless steel and (b) if necessarry passivize the stainless steel after the treatment? While there is a question asking about "Cleaning stainless ...
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3 votes
2 answers
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Risks of Iodophor

Most of the commercial versions of iodophor recommend a very small amount of the product to a large amount of water. So, i want to know if they do this because is dangerous to ingest / handle large ...
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9 votes
6 answers
701 views

How paranoid about cleaning & sanitization?

I'm a new home brewer. I only have a few batches under my belt -- one partial extract and two all grain. Like most, I've read multiple books and watched videos on the brewing process. Cleaning and ...
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2 answers
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Why would I add water to a cooling wort?

I'm refering specifically to this question: Should I boil water before adding it to the cooled wort?
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1 answer
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Dangers of non-sterile cider

Come the time of the year when apples are ready, and the excellent harvest this year in Finland, I have decided to give cider making a try. I have a fair amount of experience making beer at home and ...
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4 answers
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How to clean bottles used for homebrewing few times?

I've used bottles few times to bottle home beer. Recently I've found that inside them there are small spots that remain there even if I rinse them with water. Should I worry about them? It's safe to ...
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Safe/practical to leave brew equipment in no-rinse sanitation tub throughout the whole brew?

I'm brand new to brewing and am just using extract kits. I got my haircut recently, and it gave me an idea for brewing (!). The barber keeps his scissors in a little trough full of that blue ...
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Environment-friendly sanitizers

As the title suggests, I was wondering if there was list of environment-friendly sanitizers (such as Star San, as they declare) for brewing equipment out there. In particular, I was looking for a ...
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5 votes
1 answer
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What are the most crucial moments for beer contamination?

I know that sanitization is one of the most fundamental parts of making a beer and I myself wasted two batches already for not being diligent as I should. So, what are the steps / moments when you are ...
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3 votes
3 answers
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Off flavours from unsanitized priming sugar

Quick question for the group: Will unsanitized priming tablets/sugar likely/surely cause off flavours after bottle conditioning - especially, a wet/slightly moldy towel aroma? I've been experiencing ...
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2 votes
3 answers
2k views

Is it okay to clean/sanitize brewing/bottling equipment the day before I plan to use it?

I'm curious to know if it is safe to clean and sanitize equipment the day before using it, particularly bottles and bottling gear. If I clean and sasnitize the night before using it, will it still ...
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1 vote
3 answers
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How to sanitize aluminium?

I use an aluminium counterflow wort chiller. To sanitize this I circulate the boiling wort through the chiller to clean and sanitize the inside ¿Do you recommend any acid or alkaline product for ...
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3 votes
3 answers
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Cleaning/Prepping frozen strawberries for a strawberry blonde

A simple enough question for thoughtful answers. Some good recipes out there for Strawberry Blondes. All the normal tips are understood, i.e., 1#/gal, strawberries will likely kickstart fermentation ...
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3 votes
2 answers
132 views

How to clean little bottler

I'm about to buy a secondary fermenter (generic plastic bucket and drill a hole to fit in a plastic bottle filler) for the usual reasons. I'm, however, curious how would I go about and clean the ...
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4 answers
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Do I really need to sanitise my equipment for 10 minutes?

My sanitiser/cleanser (VWP) says that I need to leave it submersed for at least 5-10 minutes. Is this the case for it? I've seen in a few videos people just swirl the sanitiser around the fermenting ...
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Adding cold water to malt extract brew

I've recently tried extract brewing after all grain brewing. Strange I know, but I wanted to eliminate the mash part of the process to see if it help get rid of a off flavour (it did but that will be ...
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