How to Clean and Sanitise Home Brewing Equipment
Quick Answer
To make great beer, every piece of equipment that touches your brew needs to be cleaned and sanitised. Cleaning removes dirt, residue and old brewing gunk, while sanitising helps get rid of the bugs and nasties that can spoil your beer. Always clean first, then sanitise before brewing.
You've probably heard us say it before:
Dirty Gear = Dirty Beer.
It's one of the oldest sayings in homebrewing, and for good reason.
You can spend good money on quality ingredients and follow the recipe to the letter, but if your gear isn't clean, your beer can still end up in trouble. A few unwanted bugs getting into your fermenter can turn a cracking brew into something you'd rather pour down the drain.
The good news is that cleaning and sanitising your brewing equipment isn't difficult—it just needs to become part of your brewing routine.
Before every brew day, anything that comes into contact with your beer should be cleaned and sanitised. Your fermenter, tap, airlock, spoon, bottles, kegs—everything.
And remember, cleaning and sanitising aren't the same thing. You need to clean first, then sanitise. There's no point trying to sanitise equipment that still has grime or residue on it.
Get this step right, and you'll give your beer the best possible chance of turning out exactly how you intended.
Cleaning vs Sanitising: What's the Difference?
One thing that catches a lot of new brewers out is the difference between cleaning and sanitising.
They sound similar, but they're doing two very different jobs.
Cleaning
Cleaning removes visible dirt, dried wort, yeast residue and any other build-up left behind from previous brews.
Think of it like washing your dishes before putting them away.
Sanitising
Sanitising is the next step. It helps eliminate the bacteria and wild yeast that can infect your beer and create off-flavours.
The important thing to remember is:
You can't sanitise dirty equipment.
If there's still residue on your fermenter or equipment, the sanitiser can't do its job properly.
Step 1: Clean Your Brewing Equipment
Before every brew, give all your equipment a good clean.
That includes:
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Fermenters
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Lids
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Airlocks
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Taps
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Grommets
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Mixing spoons
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Hydrometers
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Bottles
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Kegs
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Transfer hoses
What Should You Use?
We recommend using a dedicated brewing cleaner such as:
Try to avoid household dishwashing liquid. It can leave behind residues that may affect your beer and reduce head retention.
How to Clean a Fermenter
Cleaning your fermenter is pretty straightforward.
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Add a couple of litres of warm water to your fermenter.
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Add your brewing cleaner according to the directions.
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Pop your smaller equipment—taps, airlocks, grommets and the like—into the fermenter.
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Put the lid on and give it a good slosh around.
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Leave everything to soak for an hour or two.
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Use a soft cloth or brewing brush to remove any remaining residue.
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Empty the solution and rinse thoroughly with clean water.
A quick tip—try not to go at your fermenter like you're scrubbing burnt sausages off the BBQ. Scratches in plastic fermenters can become hiding spots for bacteria and make them harder to keep clean in the future.
The gentler you are, the longer your fermenter will last.
Don't Forget Your Bottles and Kegs
It's easy to focus on the fermenter and forget about everything else.
Your bottles, kegs, transfer hoses and bottling equipment all need the same attention.
A bathtub, laundry sink or large bucket makes cleaning bottles much easier, especially if you're doing a full batch.
A little extra effort here can save a lot of disappointment later.
Step 2: Sanitise Everything
Once everything is clean, it's time to sanitise.
This is the step that helps protect your beer from infection and gives your yeast the best chance to do its thing without unwanted competition.
Recommended Sanitisers
We recommend quality no-rinse sanitisers such as:
Simply mix according to the instructions on the packet.
How to Sanitise Your Equipment
The easiest way is to use your fermenter as a sanitising bucket.
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Add your sanitiser solution to the fermenter.
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Put all the equipment you'll be using into the solution.
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Swirl it around to make sure every surface gets covered.
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Leave it for the recommended contact time.
Easy.
A pair of sanitised long-handled tongs can also be a lifesaver when you're fishing smaller bits and pieces out of the fermenter.
Do I Need to Rinse?
Nope.
When mixed correctly, sanitisers like Atomic 15 and Morgan's Sanitiser are designed to be no-rinse products.
And remember:
Don't fear the foam.
The foam won't hurt you and it won't hurt your beer either.
In fact, many experienced brewers actually get nervous when they don't see a bit of sanitiser foam hanging around.
Stu's Tip: Keep a Spray Bottle Handy
If there's one little brewing trick we'd recommend to every homebrewer, it's keeping a spray bottle filled with sanitiser solution nearby on brew day.
It's perfect for:
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Hydrometers
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Scissors
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Transfer hoses
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Sampling equipment
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Bench tops
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Anything that accidentally touches a surface it shouldn't
Once you start using a sanitiser spray bottle, you'll wonder how you ever brewed without one.
Common Cleaning Mistakes to Avoid
Using Dishwashing Liquid
It might seem convenient, but household detergents can leave behind residues that affect flavour and foam retention.
Forgetting the Small Parts
Taps, seals, airlocks and grommets are some of the most common places for infections to start.
Skipping the Sanitising Step
Clean isn't the same as sanitised.
Both steps matter.
Scrubbing Too Hard
Deep scratches in plastic equipment can become permanent homes for bacteria.
A soft cloth or brewing brush is all you need.
Ready to Brew
Once everything is properly cleaned and sanitised, you're ready to brew with confidence.
It's not the most glamorous part of home brewing, but it might just be the most important.
Developing good cleaning habits will help you avoid infections, produce more consistent beer and save yourself a lot of frustration along the way.
After all, the goal is to drink great beer—not to wonder what went wrong with your last batch.
So take a few extra minutes, clean your gear properly, sanitise everything, and give your next brew the best possible start.
Want to Learn More?
Want to see the process in action? Check out our brew day preparation video for more tips and tricks before your next brew day.