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Old 01-27-2010, 01:17 AM   #1
ScottD64
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Jan 2010
Sandwich MA, USA
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Greets!

This is the first time I've used Star-San. I made a five-gallong batch and used some this last weekend, but there's still 4+ gallons left. How long can I keep it and use it before I have to get rid of it?

And speaking of getting rid of it, is there a best way to dispose of it? We have a septic tank - can I pour it down the sink?

Thanks for any advice!

 
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Old 01-27-2010, 01:21 AM   #2
Clonefarmer
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It lasts a long time depending on the water it's mixed with. As long as the PH is stable the Starsan is good.

I'm pretty sure you can dump it down the drain with a septic tank since it breaks down easily.
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Old 01-27-2010, 01:21 AM   #3
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Why make so much? You only need to make like a gallon of it at a time. I dump mine outside in the back of my yard.
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Old 01-27-2010, 01:24 AM   #4
Reedwalker
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Not so good for the septic since your septic depends on bacteria. As it will not completely stop the anaerobic process, it will surely stunt it, if dumped in large quantities.

Star-San = Death for bacteria

I make 2.5 gals at a time. It seems to be just right for dunking bottles in a 5 gal bucket. I have had success with keeping it at the proper Ph for up to 4 weeks, when made with distilled water.
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Old 01-27-2010, 01:25 AM   #5
Clonefarmer
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Quote:
Originally Posted by Brew-boy View Post
Why make so much? You only need to make like a gallon of it at a time. I dump mine outside in the back of my yard.
It's easy to mix in 5 gallon batches since it takes 1 oz Starsan. And it's convenient having a carboy full to siphon off of when needed. I make a batch every six months or so.
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Old 01-27-2010, 01:25 AM   #6
wildwest450
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I make 3 gallons at a time(distilled water) and keep it in a 5 gallon plastic bucket, I change it every 3 months. I dump mine in ye old septic.

 
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Old 01-27-2010, 03:04 AM   #7
Scut_Monkey
 
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As soon as the star san is diluted in the sink/septic the pH becomes ineffective and it should be just fine on the septic tank.

 
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Old 01-27-2010, 03:06 AM   #8
Nurmey
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Star San is biodegradable and will not harm the helpful bacteria in a septic system.
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Old 01-27-2010, 03:15 AM   #9
mordantly
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i don't worry.. i schitt more!

 
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Old 01-27-2010, 03:20 AM   #10
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I have RO water from my bottles water company. Will this work as well as distilled?
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