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Old 07-31-2009, 06:34 PM   #11
GilaMinumBeer
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Quote:
Originally Posted by TipsyDragon View Post
......and plastic is not an oxygen brier.
So then by this we can take that 5 Star is full of idiots for packaging the product IN PLASTIC?

 
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Old 07-31-2009, 06:34 PM   #12
Edcculus
 
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Quote:
Originally Posted by rcrabb22 View Post
2 tablespoons = 1 ounce. 1 tbsp would be good for 2.5 gal. Not nitpicking to be a jerk, trying to be economical. Two teaspoons would be a good measure for 1 gal as 1 teaspoon = 1/6 of an ounce and that's still a little over the recomended 1/5 of an ounce. Sorry to be such a geek.
Hey, no problem. I meant to write 1 TSP.


 
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Old 07-31-2009, 09:35 PM   #13
borracho_brewer
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Dec 2008
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I have super hard water and it turns cloudy in a matter of hours (overnight at least). The first time i used it though i didn't know that it may or may not be a problem and went ahead and used cloudy star san weeks after it had turned. I never tested the pH but I never got an infection so I'd have to agree that cloudy does not always mean useless.

That said, I've switched to just mixing a gallon batch with RO water from my drinking water system and storing it in a glass carboy (at the moment it's actually in a plastic water jug, all my glass jugs are full of stuff ) plus keeping a liter in a plastic spray bottle.

I think I usually use about 1.5 tsp per gallon, maybe a few drops less

 
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Old 07-31-2009, 09:48 PM   #14
GilaMinumBeer
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I mix up a 5 gallon batch a year. At this rate, my 32oz bottle will (theoretically) last 32 years.

I store the RO solution in a Culligan plastic carboy and for the first year I tsted the solution every time I opened the bottle and never saw a variation from the originaly mixed solution pH.

I also keep said plastic carboy in a non-heated 2 car garage that gets hot enough in the summer to condensate the inside of the carboy and cold enough in the winter to develope some top surface slushing. I always grab the carboy and shake to cause some foam. Despite these conditions, the pH still doesn't change.

 
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Old 07-31-2009, 10:48 PM   #15
Brewin_CRAZY
 
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Wow, I keep my starsan in a 4 gal bucket for a couple weeks and its still clear as day. I only change it depending on the pH or just the use, lots of use and ill change it just because it gets stuff in it. Could also be the container that you are storing it in, starsan is mildly corrosive, if you have a really weak container that could be the issue.
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Old 09-04-2009, 02:08 AM   #16
knappster
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I bought some ph strips at my local Friar Tuck's and a gallon of distilled water at Wal-Mart because I wanted to have some Star San that would actually last a while. When I first mixed it, the pH levels looked good, but it's only been a few days and it almost looks like the pH is over 4 now. I just left the mixture in the gallon jug that the water came in setting in my garage. Is there any reason that the distilled water mixture of star san would have a shelf life of less than a week? Could it be a problem with the strips?

I was hoping that I wouldn't have to mix up more solution every time I needed to take a sample, but this has not been very promising so far...

 
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