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Old 09-25-2012, 05:42 PM   #21
sweetcell's Avatar
Jan 2012
Rockville, MD
Posts: 5,144
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i typically keep mine for 2 or 3 months, but it'll depend on how many times i brew. if i've been using a batch for a while, i might re-dose it with a little more star san to ensure i'm back under the required pH. i should get some test strips... but i haven't.

when i'm ready to replace my batch, instead of dumping all of it i save a gallon or two in an empty milk jug. i then use that less-than-fresh star san in my blowoff tube setup.
What hops should I grow? Looking for cheap honey?
- Drinking: BPA made with ingredients from NHC, 2 blends of a rye sour: ECY20 + ECY34, local sour cherry kriek #2, brett'ed Belgian blond on raspberries
- Aging: Imperial Chocolate Milk Stout (half on coconut), sour blond on second-use cherries, English Barleywine (half on brett), 3726 saison w/ brett x2 (dregs mix & Lochristi), GNO 3724 saison w/ brett mix, sour cherry mead, acerglyn, and a few other sours...

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Old 09-25-2012, 09:16 PM   #22
Jun 2012
Hammond, IN
Posts: 6
Liked 1 Times on 1 Posts

I have heard that if you swish your hand around in it and it still makes bubbles it is still good. of course if you leave a bucket without a lid and a bunch of crap gets in it you should prolly change it.

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Old 09-25-2012, 09:30 PM   #23
Feb 2012
Van, BC
Posts: 273
Liked 20 Times on 15 Posts

untill i see more then 2 dog hairs at the bottom of the bucket.. my starsan does not get cloudy.EVER. that said. i did have a rogue dog hair get into a batch of skeeter pee i made. so it was then called diesel fuel (my dogs name is diesel). i donno how they get in there.. i keep the bucket sealed and try not to ever leave it open.. well i have a theory.. i sometimes forget to rinse off the bottom of measuring cups i might be pulling starsan out with that..

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