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That's standard terminal heat sterilization used by compounding pharmacies that work with USP grade raws, NOT the kitchen cook with Chinese raws and Walmart bought oils
This is a very good point
Oh, like when he pulls the vials out of the oven after sterilizing, then sets them on the kitchen countertop in a unsterilized room, then bottles the finished oil into them.....
Not the same but after seeing someone using a pressure cooker in the home brew section here, I've started using one as a post bottling sterilisation step.
Yes just like that as he could have sterilized the counter if he choose and knows he did it. Where as in the lab he has no idea if someone actually did that or not and has to have trust in strangers that are only doing their job. And don't have their own health in the balance. My x wife was a research scientist so i know how well things may be sterile as i spent time in those labs. And in a large commercial manufacturing plant i think it would be even less sterile. But we all have our own opinion. I am just going off my 20+ years of home brewing.
My point was that you can sterilize the fuck out of your benchtop and whatever else you want.... Your NOT in a sterile room and there is bacteria floating around in the AIR and getting into your open top vials after you have sterilized them!
This being a non issue for most intelligent people was my point but you seemed to miss it.
LOL, yeah I had missed that bro! Sorry! Same boat, been brewing since 2005 and just so used to seeing the same stuff regurgitated with no real world experience taken into account so I made an assumption in replying to you and I was wrong for doing that.
Yeah, you know you are 100% correct! No way 99% of the UGL's are churning out 1000's of finished vials and running those vials through sterilization before filling! Guarantee they are doing the cook, running the finished product through a 0.45 filter to get rid of any solids/floaters in the finished product and a 0.45 will filter reasonably quick, stripping slabs of vials that are all open topped and been sitting in storage/warehouse/shipping and laying those vials out ready to fill, then just going at it, cap then label and into stock ready to ship.
Per my research reading pharmaceutical compounding textbooks, this will not sterilize the contents inside the vial. Steam autoclaving uses a combination of both pressure and heat for sterilization. The contents inside the vial are not subjected to the pressure outside the vial, so the contents will not reach a sufficiently high temperature to be sterilized. This is due to the lack of pressure.
I agree completely. I don't think any ugl goes to the extent to be sterile as they claim. Yes they have autoclaves but probably only to clean glassware. They absolutely don't dunk and autoclave all the vials and stoppers and I think some ugls don't even use the 0.45, they just sell it like it is. I laugh when I see a ugls introduction claiming double filtered and all this bullshit lol
I'm actually gonna double filter. First line will be with a shit .45 micron syringe filter to remove most of the stuff. Then follow up with a whatman syringe filter into to a vial.
You don't need to do that. I was referring more to bottletop or in line filters. If you're just filtering your own homebrew then .22 Whatmans is all you need. One pass, warm oil and steady pressure. I personally don't do the whole 60ml and cawlk gun method because it's difficult to tell how much pressure I'm using. So I use 5ml syringes with a whatman. I can filter 10ml in about a minute, maybe two.
I kind of doubt that a cheaper filter would put more stuff in
