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Star San


SKU# U001

The Perfect Sanitizer

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Our favorite sanitizer! Star San is an acid-based no-rinse sanitizer that is effective, easy to use, and works in just 1-2 minutes. The best sanitizer for beer and wine equipment.

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Star San

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  • Star San


Product Details
Our favorite sanitizer! Star San is an acid-based no-rinse sanitizer that is effective and easy to use.

  • Made from food-grade phosphoric acid, safe for people and the environment.
  • Star San is self-foaming, which helps it to penetrate cracks and crevices.
  • Odorless and flavorless, no need to worry about tainting your beer or wine.
  • Does not require rinsing when used at the recommended dilution.
  • Use only 1 oz Star San per 5 gallons of water and just 1 to 2 minutes of contact time.
  • Used as a soaking solution, it can also be applied by hand (wear gloves) or with a spray bottle.
  • Reusable: a solution of Star San will remain effective for up to three to four weeks in a sealed container; it is effective as long as the pH is 3 or lower.
It is safe for use on all surfaces, but use caution since it is an acid; contact with soft metals, rubber, and plastic should be kept to a minimum. Star San is environmentally friendly, biodegradable, and will not harm septic systems.

Please note, we cannot ship this product by air.

Additional Information
Support Documents:No
4.9 / 5.0
267 Reviews
5 Stars
4 Stars
3 Stars
2 Stars
1 Stars
Love this stuff
Easy to mix, ready right away, no rinse. This is the least frustrating part of any brew day. I will probably use this product for the rest of my brewing career.
March 29, 2018
1 month ago
This stuffs the best my go to u need to sanitize everything and this stuff goes a long way i use 1 oz. Per boil and im stocked up for the year
March 14, 2018
2 months ago
Best sanitizer going !
Soooo easy to use. No need to re rinse everything. 2 minute wait and off you go ! Better than any powder.
March 7, 2018
2 months ago
Awesome thanks
The star San came just in time foe secondary awesome fast thank you
March 7, 2018
2 months ago
Love using this. It is easy and simple to use. I use on all my brewi g equiptment.
February 28, 2018
2 months ago
One bottle lasts a long time. Keep a five gallon bucket for several months. Have. Never had an infection.
February 18, 2018
3 months ago
The best.
Effective, fast, no rinse and edible (when diluted). This is the gold standard for sanitation. Highly recommend using the Mark II Carboy Cleaner with this for easy sanitizing of kegs, fermenters and even beer lines.
February 12, 2018
4 months ago
Works almost perfect!
Pretty much everybody that brews uses Star San, and I can't knock the product much at all. It works great for what I need. I just had one minor problem. This product is an acid, a weak one, but still an acid. I have black laminate countortops in my kitchen (sounds ugly huh?) and it actually ate the top layer off of the counter. There is now white spots across my counters. I don't really blame the product, I blame myself for not using common sense. I wanted to write this review so if there happens to be anyone else with black laminate counters... lol... they can prevent this from happening. It's as easy as laying towels over your counters.

Other than that, wonderful product.
February 2, 2018
2 months ago
Simply Amazing
Product is easy to use and is very user friendly, I will definitely continue to use.
January 31, 2018
3 months ago
small size perfect for a small apartment
small size is perfect to be able to store under a sink or a drawer
January 26, 2018
3 months ago
Start typing your question and we'll check if it was already asked and answered. Learn More
Browse 23 questions Browse 23 questions and 64 answers
how long will star san be good for in its original container, not diluted with water?
A shopper on Jul 2, 2017
How safe is it on my skin?
A shopper on Feb 12, 2017
BEST ANSWER: Have had no issues at all and I have pretty dry skin in the winter. The fact is, when you're brewing you have you hands in water a lot. This by itself dry your skin. That said this stuff does not make it any worse, at it hasn't for me.
Why not rinse after using this project? Directions say not to. I don' know about you; but I don't want any thing in my wine except yeast, water, sugar, and fruit juice.
H I on Feb 28, 2016

Star San is indeed a no rinse solution. It is an acid sanitizer and at the proper dilution is safe to touch/consume in the very small amounts that would be left on your equipment.
I read that star san is hurtful for the skin, but you said that the only thing that could do to the skin is to dry it a little. So I don't need gloves to sanitize my equipment?
A shopper on Jan 4, 2018
BEST ANSWER: I have been using Star-san for years and have never had an issue with irritated or dry skin. Just make sure to use the proper dilution.
Do bottles need to dry after using this to sanitize or can they be filled immeadiately after?
A shopper on Nov 24, 2017
BEST ANSWER: Hi! No, do not rinse Star San as long as you follow the proper dilution recommendations. Star San creates an acid environment that prohibits bacterial growth. Caveat: if you use Star San in higher than recommended concentrations, you may need to rinse. Not recommended for certain metals. Consult the manufacturer’s directions for more information. Good luck and happy brewing!
I know star San is a no rinse solution, but when I pour out the solution, quite a bit of foam remains in the bottle. Is this normal or did I not mix to the proper ratio?
A shopper on Feb 27, 2017
BEST ANSWER: This is totally normal. "Don't fear the foam" as they say. The foam doubles as a yeast nutrient. Get a 5 gallon bucket, mark off 1 1/4 and 2 1/2 gallon water level marks on the side with a black Sharpie marker. Fill Star San to the 1/4 oz mark for 1 1/4 gallon and to the 1/2 oz line for the 2 1/2 gallon mark. Correct ratio every time. Happy Brewing
Will the residual Star San on bottling bucket (if not rinsed) inhibit the yeast activity needed in the bottle i.e. does Star San residue kill yeast?
A shopper on Jan 27, 2018
BEST ANSWER: No. DO NOT fear the foam. Just empty as much of it as you can by shaking the bucket a bit. No need to rinse (which could introduce new bacteria).
Do bottles need to drain and dry after being sanitized with star san or can they be filled immeadiately?
Colby F on Nov 24, 2017
BEST ANSWER: They can be filled immediately. Just shake as much Star San liquid and foam out of the clean bottle as possible, and then fill. The small amounts of Star San foam that cling to the interior of the bottle are not harmful, and do not need to be expelled before filling. Cheers!
I see a lot of people filling spray bottles with star san. How long does this product stay stable after it is diluted?
A shopper on Jun 16, 2017
BEST ANSWER: I've read where others have said it's good until the solution starts to turn yellow. I've also seen award winning skilled brewers sanitize their equipment in a bucket full of sanitizing liquid with dead mosquitos floating in it. Personally, I've never kept it for more than a month. My mentality is sanitizer is cheap.....why let 50 cents worth of poor performing sanitizer ruin 5 gallons of otherwise good beer.
Will Star San clean out bottles that had beer that was possibly infected with acetobacter or lactobacillus?
A shopper on Oct 11, 2017
BEST ANSWER: Star San will not clean anything, it's a sanitizer. Soak them in hot PBW for 30 minutes and that should do the trick.
How many gallons does one bottle sanitize?
A shopper on Mar 5, 2017
BEST ANSWER: 1 oz in 5 gals of water gives you 5 gals of sanitizer to be used multiple times.
Can i use this product in aluminium?
A shopper on Feb 23, 2017
BEST ANSWER: I have used this with aluminium for many years without any trouble. I don't leave it in long because I don't want to depassivate the metal but I honestly can't say how long that would take. Since the required contact time for non porous surfaces is less than a minute, I generally pour it in, leave it for a minute and pour it out.
In the description it says this can be stored for reuse for a couple of weeks. What kind of container is best for storing the rinse? I originally was thinking a 5 gallon plastic food grade bucket but then I saw you need to limit plastics exposure to the rinse.
S P on Feb 23, 2016
BEST ANSWER: The type of plastic that is used in your bottling bucket is resilient to Star San. So, a 5 gallon plastic food grade bucket will work great.
Whats the rate for only a gallon?
S K on Jan 14, 2016
BEST ANSWER: You add about 1 ounce for 5 gallons so 1/5 of an ounce. Cheers!
It says to limit contact with plastics but I have the big mouth bubbler carbouys. Will this damage/discolor them?
J A on Dec 31, 2015
BEST ANSWER: Have used with plastic carboys. Plasic taps with no problem. I use with plastic tubing but I do rinse the tubing because it does feel a little tacky after soaking.
Can you send this product in Ukraine?
B Y on Dec 13, 2015
BEST ANSWER: Anatoliy,

I am sorry. We are only able to ship to addresses in the United States. There are a few forwarding companies out there though, that provide you with a U.S. address and we can ship to that. From there, they will be responsible for the package and any necessary documents required for shipping it to you. An online search should give you some options, if that is something you would like to pursue.
I made cherry wine with fresh fruit. I soaked fruit in star san solution first to kill field yeast. Seems to work just fine. However was using star san that way recommended ?
david c on Aug 5, 2017
BEST ANSWER: At the recommendation of brew masters here I have always used vodka. Used it for grapefruit peel, vanilla beans, orange peel etc.
Can deluted Starsan remain in keg tubbing between kegs? 3 weeks would be the max
W A on Sep 8, 2016
BEST ANSWER: It might cause some discoloration but that shouldn't cause any issues otherwise. Ideally, I would flush it out and not leave it sit.
I made up a gal of the solution (1 tablespoon/gal) and noticed the gallon is cloudy. Does this affect the sanitizing property of the product?
Steve C on Aug 3, 2016
BEST ANSWER: Cloudiness is a sign that the sanitizer is not buffered correctly and so may not remain effective for very long, maybe just a few days or weeks. You can check pH to see if you are under 3, try adding a little extra to push the acidity high enough, consider making the solution in distilled or RO water, or just use it all soon enough. Recommended dosage is in ounces per gallon, 1 ounce per 5 gallons.
Q: will it damage granet counter tops ?
W H on Apr 18, 2016
BEST ANSWER: If your counter tops are solid granite, the acidity of Star San will not affect the counter top. Make sure that your counter tops are properly polished and sealed so like any liquid, nothing soaks into the stone. Also, ensure that your counter tops are indeed granite, there have been claims of marble being sold as granite in some areas, and Star San could possibly damage marble as there is a fair amount of calcium in its composition. I hope that this helps!
If I use Star San for sanitizing my wine-making equipment, rather than the potassium metabisulfite included with my kit, do I have to add sulfites to prevent oxidation?
Bjorn S on Mar 29, 2016
BEST ANSWER: Using Star San or metabisulfite to sanitize your equipment does not affect the oxidation of your wine. Regardless of the method of sanitization you choose, it will still be necessary to add sulfite to your wine when preparing it for bottling.
Could this sanitizer be used to clean out glass bottles used for water as well if used with the Vinator Bottle Rinser?
N G on Aug 31, 2015
BEST ANSWER: It is a very effective sanitizer and will work fine for water bottles. However, you will want to use an actual cleanser of some sort to remove any soil first. One of the powdered cleansers would work well. Simply rinse the cleanser out before using the sanitizer.
At 1 ounce per 5 gallons, may Star San be used in a copper sink?
Bruce P on Feb 17, 2018

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