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Old 01-20-2012, 03:27 PM   #1
Mrakis
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Question to my star san users -
What do you store your solution in? I know that it is reusuable, as long as the PH is 3 or under (please correct me if i am wrong). I just don't know how to store it. I just brewed my first batch and used gallons of spring water for the wort. Afterwards, i decided to just place the starsan in the empty gallon cartons. I just tested the ph and it was borderline 3 - 4. Since it is so close, i was just going to dump it out and create a new batch when i need it, instead of trying to reuse this.

Also, my tap water is very hard. Will this play a factor in the solution's life shelf? I think i read somewhere that using distilled water will make it last longer.

any advice is greatly appreciated

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Old 01-20-2012, 03:39 PM   #2
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If you want it to last as long as possible then distilled water is the way to go. Any hardness in the water will cause the solution to become cloudy which is usually considered an indication that the effectiveness has been reduced. I use distilled water and store it in a decommissioned Ale Pail. It seems to last damn near forever with the pH never getting higher than 2.8. Even so, I do still make up a fresh batch every few weeks since a certain amount of solids do end up making their way in. Better safe then sorry especially since you're only typically using an ounce at a time (less if you make a half batch).

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Old 01-20-2012, 03:44 PM   #3
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I don't reuse the SS. I mix up a quart at a time and that lasts me through a month or more of use. In 2 years I've barely made a dent in the original bottle I bought, so why reuse the stuff? All you need to do is get the surfaces wet, not soak everything in it.

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Old 01-20-2012, 03:48 PM   #4
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I mix up a gallon at a time. From that gallon I'll fill up a spray bottle and then I'll put just enough in to fill a large shallow container to sanitize my hoses and what not.

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Old 01-20-2012, 03:51 PM   #5
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I have a 5 gallon water cooler bottle. It is not always full and I will add smaller amounts at times but that is where I store it. I have gone more than a month and still got a good PH reading.

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Old 01-20-2012, 03:51 PM   #6
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Cloudiness due to hard water has nothing to do with Star-San's effectiveness. If the cloudiness bothers you, then by all means use distilled water to make up the solution. The effectiveness has everything to do with the pH remaining below 3 and keeping organic material out of the solution. That means making sure your equipment is thoroughly cleaned and rinsed before sanitizing it in the solution.

I store my Star-San solution for months at a time in a white (un-dyed), 5 gallon HDPE bucket from Home Depot. Even if the solution's pH drops below 3, as long as there is no organic material in it, I simply "sweeten" it back up with some more concentrate to drive the pH back down below 3, or just dump it and make a new batch.

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Old 01-20-2012, 04:12 PM   #7
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Yeah, i'm not concerned with cloudiness. If it is a sign of ineffectiveness, or not. I will rely on ph readings. I only brought up the hard water aspect because i wanted to know if that will play a part in the longevity for reusing purposes.

Question to those that do not make the full 5 gallon batch. How much star san do you put in a quart or a gallon to make up your solution? What do you use to measure. I just made up the 5 gallons, based on what the instructions. I don't see a need to make that much, as i agree with what most have you had said. I basically just followed the instructions for piece of mind that i was using an effective solution

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Old 01-20-2012, 04:24 PM   #8
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Just half the amount you used in the 5 gallon batch for a 2.5 gallon batch. Half it again for a 1.25 gallon batch.

I make the 5 gallon batch of solution so I can have enough to put some in my fermenters and swirl it around, with enough left over to soak other stuff in the bucket. I also keep a spray bottle of it handy for other tasks.

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Old 01-20-2012, 04:26 PM   #9
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Quote:
Originally Posted by Mrakis View Post
Yeah, i'm not concerned with cloudiness. If it is a sign of ineffectiveness, or not. I will rely on ph readings. I only brought up the hard water aspect because i wanted to know if that will play a part in the longevity for reusing purposes.

Question to those that do not make the full 5 gallon batch. How much star san do you put in a quart or a gallon to make up your solution? What do you use to measure. I just made up the 5 gallons, based on what the instructions. I don't see a need to make that much, as i agree with what most have you had said. I basically just followed the instructions for piece of mind that i was using an effective solution
Just do a little math. but to help a little 2 TBSP = 6 TSP = 1oz for 5 gal solution
approx 1.25 TSP per gal (a little strong but so what)
1.25/4qt = .31 TSP so approx 1/3 TSP per qt (still a little strong but....)
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Old 01-20-2012, 04:34 PM   #10
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I mix up 1 gallon at a time with 6ml of concentrate. 1oz = 30ml / 5gal. Devide by 5 for a 1 gal batch = 6ml. I measure with measuring spoons and store in a 1 gallon growler. I fill a spray bottle. It's hard to say how long a gallon lasts, but if I were just using it for brew sessions and bottling, it would probably last through several brews.

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