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quick question about lactic acid


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#1 positiveContact

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Posted 04 August 2015 - 04:11 PM

How much should I be buying?  2oz?  4oz?  does it go bad?  How much would you typically use for a 10 gallon batch?  I realize it varies of course but I just want to buy a reasonable amount.



#2 positiveContact

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Posted 04 August 2015 - 04:17 PM

note:  I can buy in 2oz increments for $1.49 each.



#3 neddles

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Posted 04 August 2015 - 04:20 PM

I dont think I have ever used more than 5ml in a 6 gallon post boil batch and evn that is rare. Convert for your batch size.

#4 positiveContact

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Posted 04 August 2015 - 04:22 PM

I dont think I have ever used more than 5ml in a 6 gallon post boil batch and evn that is rare. Convert for your batch size.

 

woah.  so 4oz should last me a LONG time.



#5 HVB

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Posted 04 August 2015 - 04:23 PM

I dont think I have ever used more than 5ml in a 6 gallon post boil batch and evn that is rare. Convert for your batch size.


Same for me. I think my bottle is 4Oz because that is what the store had.

#6 positiveContact

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Posted 04 August 2015 - 04:27 PM

okay - ordered some with the group buy.  I figured it was convenient so why not.

 

do you guys just use the 100 packs of pipettes or what?  are they so cheap b/c I should only use them once?

 

https://www.amazon.c...38730813&sr=1-1



#7 neddles

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Posted 04 August 2015 - 04:28 PM

Infant medice dropper. A pharmacy will have them for free if u dont already have one and they can be reused.

Its a 5ml needlelss syringe basically

Edited by nettles, 04 August 2015 - 04:32 PM.


#8 positiveContact

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Posted 04 August 2015 - 04:31 PM

Infant medice dropper. A pharmacy will have them for free if u dont already have one and they can be reused.

 

ah - good point!  I think I do have some of those.



#9 HVB

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Posted 04 August 2015 - 05:50 PM

Infant medice dropper. A pharmacy will have them for free if u dont already have one and they can be reused.
Its a 5ml needlelss syringe basically


Again, same for me. I do have the same pipettes posted for use with my refractomometer though.

#10 MyaCullen

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Posted 05 August 2015 - 01:59 PM

I use a big freaking syringe for lactic acid



#11 positiveContact

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Posted 05 August 2015 - 02:35 PM

I do have a baby medicine dropper but it has kind of odd increments so I'd have to interpolate a little bit.



#12 neddles

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Posted 05 August 2015 - 02:45 PM

I do have a baby medicine dropper but it has kind of odd increments so I'd have to interpolate a little bit.

Stop at the pharmacy and ask for a 5ml one. Most will give it to you for free.

 

Were making beer here man, you don't want to feck it up with a bad unit conversion!


Edited by nettles, 05 August 2015 - 02:46 PM.


#13 3rd party JKor

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Posted 06 August 2015 - 07:58 AM

I have some really old 88% lactic acid i've been meaning to check for pH to make sure it's still effective.  I'll let you know what the results are when i get to it.  This stuff might be 15 years old.  8 years, minimum.




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