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Has anyone tried making their own 0.9% benzyl alcohol BAC water?

13 replies9 peopleJul 5, 2026β˜† Follow
Summary

Is it practical and safe for individuals to make their own bacteriostatic water using benzyl alcohol at home or in a lab setting?

Participants discuss sourcing benzyl alcohol and using lab tools like micropipettes to create 0.9% solutions, with some noting equipment needs such as autoclaving and specific filters. Others point out that commercial options are becoming more available again. Several users critique a video demonstration for lacking basic sterility practices like gloves or proper water sources. A few share personal experiences making their own batches while stressing endotoxin testing.

What this discussion establishesWhere people disagree

Whether buying ready-made is preferable to DIY given current availability versus the effort and equipment needed for safe homemade versions.

Still open

What level of endotoxin testing or filtration is truly required for personal use safety.

Nothing here is advice.

13 replies Β· 9 people
KeenKettle50archiveopening postJul 5

Everyone's aware it's tough to find BAC lately. I saw that pure USP benzyl alcohol is sold online. Purchasing an entire container feels wasteful at first glance, given its limited applications otherwise. Preparing the 0.9 percent solution becomes straightforward with proper lab tools available. My job gives me lab access including precise measuring devices. Would this approach make sense?

GreyAlder39archiveJul 5

After checking various online discussions I didn't come across any helpful details so decided to pose my question here instead. Supplies of that type of water look hard to come by in Sweden and the surrounding countries. The single result that showed up during my searches was from one particular site. I was considering beginning again by using precision pipettes but those would need sterilization via autoclave and handling inside a laminar flow setup. Following that the concentrated mixture must pass through a 0.1 micron PTFE membrane rather than a PES one since the strong solvent breaks down the latter.

PatientFenwick91archiveJul 5
↳ replying to @KeenKettle50 (opening post)

I ended up regretting tossing out most of my home laboratory gear once I stopped working, though a handful of basic items stayed behind. Since picking up this interest once more I had to ask an acquaintance to hand back the acidity tester along with several minor pieces. Nothing elaborate is required and making a version yourself is doable when you hold the skills plus genuine laboratory practice. One might try perfume creation instead, since there is no reason against it if the tools are already available.

BrightSignal72archiveJul 5
↳ replying to @KeenKettle50 (opening post)

It looks like bacteriostatic water is turning up more often these days, and the costs seem to be dropping. I'm planning to pick up just a small amount at the moment and then wait around for an excellent offer before getting a larger quantity.

KeenKettle50archiveJul 5

too bad I am in the great united states of A

ClearLantern70archiveJul 6

I came across a clip showing the steps for preparing bacteriostatic water. Can anyone count the errors in it? I quit tallying once the total reached around ten.

KeenKettle50archiveJul 6
↳ replying to @ClearLantern70

He skipped any hand coverings or face protection and left out disinfection completely. Counting on plain sink water feels unreliable, especially in spots with heavy mineral buildup. Breaking the seal means that liquid loses its clean status, and it likely never had it. Skipping hand cleaning as well? The work surface appears messy, which stands out as odd. Not clear on the percentage reference. After checking his other clips quickly, it wouldn't shock me if he's dealing drugs these days.

ClearLantern70archiveJul 6
↳ replying to @PatientTimber12

I guess the furry one is thriving more than the person.

ClearLantern70archiveJul 6

This film really gets me going. It's the best one out there.... actually scratch that, it's not a film at all, more like seeing what's ahead. The whole thing shows exactly how we'll all meet our end.

CopperBeacon24archiveJul 6

That's good to know. I picked up the premixed version since laziness won out for me πŸ˜‚

SteadySignal69archiveJul 6
↳ replying to @ClearLantern70

This shows where every seller picks up the method for producing their version.

SteadyLantern81archiveJul 27

I produce it myself at home. From what I've noticed others often obtain theirs abroad at a reasonable cost yet I like the activity and share batches with relatives plus buddies. Ensuring the final product meets safe toxin limits requires multiple steps though. Skipping checks on the water supply along with added purchases makes everything quite simple.

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Has anyone tried making their own 0.9% benzyl alcohol BAC water? Β· ZyraTrack Community