Reusing BAC water

lemon lady

GLP-1 Apprentice
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Jun 11, 2025
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Australia
Would it be safe to reconstitute multiple vials over time with the same BAC water?
I've only been able to get it in 30ml vials at $35 (I'm in Australia) , I've only used 1ml.. I'd hate to throw away 29ml if I can reuse it, this stuff ain't cheap.
Note: I followed the sterile protocol, wiped the top with alcohol, extracted 1ml, rewiped, wiped cap and put back on and stored at room temperature.
 
Would it be safe to reconstitute multiple vials over time with the same BAC water?
I've only been able to get it in 30ml vials at $35 (I'm in Australia) , I've only used 1ml.. I'd hate to throw away 29ml if I can reuse it, this stuff ain't cheap.
Note: I followed the sterile protocol, wiped the top with alcohol, extracted 1ml, rewiped, wiped cap and put back on and stored at room temperature.
Oyster eater is right, everyone does. So no worries there. But just keep in mind after punctured the alcohol slowly loses its potency which could lead to bacteria growing (not good)

Personally, I reuse the same bac water vial to reconstitute peptides for a month or two. From what I read you should only use it for a month after the first piercing though.
 
Would it be safe to reconstitute multiple vials over time with the same BAC water?
I've only been able to get it in 30ml vials at $35 (I'm in Australia) , I've only used 1ml.. I'd hate to throw away 29ml if I can reuse it, this stuff ain't cheap.
Note: I followed the sterile protocol, wiped the top with alcohol, extracted 1ml, rewiped, wiped cap and put back on and stored at room temperature.
I write the date I opened vial on a white label and attach the vial to the bottle. After 90 days, I throw the bottle out.
 
I write the date I opened vial on a white label and attach the vial to the bottle. After 90 days, I throw the bottle out.
this is very similar to my strategy, maybe 60-90, I also take into account my stack.
If I am pining 4-5x a week to recon, i might wait less time than if i am reconstituting every 3-4 weeks an only pinning the BAC 4 or 5x
 
The medical folks will tell you 28 days after first use. The stuff I currently am using has a 5 year expiration date.
 
Would it be safe to reconstitute multiple vials over time with the same BAC water?
I've only been able to get it in 30ml vials at $35 (I'm in Australia) , I've only used 1ml.. I'd hate to throw away 29ml if I can reuse it, this stuff ain't cheap.
Note: I followed the sterile protocol, wiped the top with alcohol, extracted 1ml, rewiped, wiped cap and put back on and stored at room temperature.
Hi,
I’m in Aus to just wondering where you get your BAC water from?
 
I write the date I opened vial on a white label and attach the vial to the bottle. After 90 days, I throw the bottle out.
Yep, I wrote the date for 90days out from when I punctured mine so I’ll know when to toss. If it’s cloudy or has floaters before then, I’ll toss sooner.
 
Hi,
I’m in Aus to just wondering where you get your BAC water from?
Not sure they'll work for you but in the US I use peptide test.com, Farrislabs.com and I've seen it on eBay. I use Hospira BAC only. Peptidetest usually has the best price and sometimes has sales.
 
Ill admit....i use vendor bac water but after two months of use, i throw them out just in case...its cheap enough where id rather throw it out than have it be a real problem later. Especially if its not super clear
 
Not sure they'll work for you but in the US I use peptide test.com, Farrislabs.com and I've seen it on eBay. I use Hospira BAC only. Peptidetest usually has the best price and sometimes has sales.
Thanks I’ll have a look hard to know what to pick over here what’s real and not
 
If we intend to reuse it, is it best to keep storing it at room temp after the first use or does it need to be refrigerated after that?
 
If we intend to reuse it, is it best to keep storing it at room temp after the first use or does it need to be refrigerated after that?
I refrigerate after opening and using. I checked with Gemini to see what it would say...

Gemini:
Yes, bacteriostatic water can be refrigerated and often should be after opening to maintain sterility and extend its use, typically up to 28 days, though some manufacturers allow room temperature storage if kept clean and cool (20-25°C). Always follow the specific manufacturer's label, but generally, refrigerating at 2-8°C (36-46°F) after opening helps preserve the benzyl alcohol preservative, preventing microbial growth better than room temperature, especially in warm environments, and should be discarded if cloudy or expired
 
If we intend to reuse it, is it best to keep storing it at room temp after the first use or does it need to be refrigerated after that?
I had the same question thank you for asking that
I refrigerate after opening and using. I checked with Gemini to see what it would say...

Gemini:
Yes, bacteriostatic water can be refrigerated and often should be after opening to maintain sterility and extend its use, typically up to 28 days, though some manufacturers allow room temperature storage if kept clean and cool (20-25°C). Always follow the specific manufacturer's label, but generally, refrigerating at 2-8°C (36-46°F) after opening helps preserve the benzyl alcohol preservative, preventing microbial growth better than room temperature, especially in warm environments, and should be discarded if cloudy or expired
and thank you for answering it! Appreciate it
 

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