Home Brew Forums > Home Brewing Beer > Beginners Beer Brewing Forum > How much should star san foam? (i'm not getting any foam...)
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Old 02-11-2011, 01:06 AM   #1
brewinginct
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Default How much should star san foam? (i'm not getting any foam...)

This is my first time using star san. I mixed 6ml (right above the 5ml line) with a 1 gallon jug of distilled water. filled my sprayer. tried spraying something...and say almost no foam.

There was a little bit, but it slid off the the bottle I sprayed and the foam bubbles dissappeared very quickly.

Is this normal? When I spray the outside of something, like a normal glass bottle, should I see a crazy amount of foam that will stick to the glass?


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Old 02-11-2011, 01:21 AM   #2
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6ml is plenty for 1 gallon. The spray nozzle knocks down a lot of the foam I've found. Even if there's no foam don't worry it's still doing it's job.


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Old 02-11-2011, 01:22 AM   #3
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If you shake the bottle does it foam up a lot inside?
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Old 02-11-2011, 01:27 AM   #4
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Star San mostly foams up if you add water on top of it. Like if you put one ounce in a bucket and fill 5 gallons of water on top of it you will get a lot of foam. If you instead fill the 5 gallons of water first and then add the Star San you will get no foaming - at least I don't. Not sure about the spray bottle thing but I wouldn't care about it. And yes, like Earwig said, if you agitate it a lot it does foam.


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Old 02-11-2011, 01:31 AM   #5
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Quote:
Originally Posted by earwig View Post
If you shake the bottle does it foam up a lot inside?
+1 this is the question
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Old 02-11-2011, 03:24 PM   #6
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In my experience, you don't get foam unless you agitate it. When I'm using my vinator with starsan, it foams like crazy. If I shake my spray bottle, same thing. When I add ~6ml to a 1gal distilled jug or when I use the starsan solution in the spray bottle, it doesn't foam.
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Old 02-11-2011, 03:27 PM   #7
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A lot.
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Old 02-11-2011, 03:27 PM   #8
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Why do you want foam?
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Old 02-11-2011, 03:52 PM   #9
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Quote:
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Why do you want foam?
Don't think he wanted foam per se, but rather wanted to be sure it was working correct since so many people talk about the foam.


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Old 02-11-2011, 06:33 PM   #10
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The foam is helpful to covering some stuff where the liquid doesn't always get. It's not all that useful IMO, but not seeing it can be a sign of maybe not mixing it properly, which is why the OP posted I think.

I see very little foam when spraying from a bottle. Mixing with water and shaking in a carboy makes a lot more foam that sticks around until the carboy gets filled with beer and the foam comes pushing out the top.


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