Reasonable warning

Not at 27% lol.

I bin'd those raws but there's really nothing stopping UGL vendors from using it.

Raws can be mixed. The 27% can easily be mixed with some other 70% raws. With high BB% and slightly higher BA% u can easily hit 200-250mg/ml as per what they are advertising and selling for most test esters.

No UGL vendor has promised that high purity raws are being used. Either way, even if they test it, you cant be sure that's what they're using. All they are advertising and selling are products which have a specific mg/ml.

I hope not that low, but in general, how low can these vendors have their raw purity at and get away with it, and what can we do about it?

You can go pharma if you want pharma grade raws...sadly.
 
I bin'd those raws but there's really nothing stopping UGL vendors from using it.

Raws can be mixed. The 27% can easily be mixed with some other 70% raws. With high BB% and slightly higher BA% u can easily hit 200-250mg/ml as per what they are advertising and selling for most test esters.

No UGL vendor has promised that high purity raws are being used. Either way, even if they test it, you cant be sure that's what they're using. All they are advertising and selling are products which have a specific mg/ml.



You can go pharma if you want pharma grade raws...sadly.
Fail to see how mixing raws with lots of impurities somehow fixes using raws with lower but mixed in
 
Fail to see how mixing raws with lots of impurities somehow fixes using raws with lower but mixed in
Instead of using 100% of 27% raws, you can use something like 60% with 40% of 70% raws and dump it in 50% BB, 2% BA and the remainder mct.

I assume the reason you cant hit 200-250mg/ml is because the oil is getting saturated with the impurities. With a mix, you get less impurities and saturate it enough to hit your desired mg/ml. 50% BB will pretty much dissolve everything, impurities or not. Since BB dissolves alot more, you can use alot less oil, which allows u to put more powder in.

At the end of the day its just total mg/ total liquid.

Of course I don't plan to try it, but i don't see how this isn't impossible.
Its almost like how high concentration oils are made.
 
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Only insoluble (solid) impurities. Everything else ends up in the oil. You'd need more expensive testing to get an idea of what those impurities are.
I suppose you'll say yes, but filtering QSC / Chinese tier oils is probably the smart thing to do?

Will a .22 mm PES filter still work per vial or two?
 
I suppose you'll say yes, but filtering QSC / Chinese tier oils is probably the smart thing to do?

Will a .22 mm PES filter still work per vial or two?

I think filtering everything is a good precaution.

PES won't work for oil though. You need to.22um PTFE OR PVDF.

33mm will handle a couple of kits if necessary, but more importantly the diameter will making pushing the thick oil through easier. If just one or two vials you could get away with 25mm.
 
I think filtering everything is a good precaution.

PES won't work for oil though. You need to.22um PTFE OR PVDF.

33mm will handle a couple of kits if necessary, but more importantly the diameter will making pushing the thick oil through easier. If just one or two vials you could get away with 25mm.
The Braun v-spike with the .5 micron filter? The one you recommended previously?

Popped one in a 50cc vial. Lasted maybe 20 draws of 1cc before the solvents broke it.

Not suitable.
 
PTFE .22 filter. Cobetter or whatman. PVDF can also work.

Full disclaimer: I'm a retard who never filtered his chinese oils. But google found this:


PVDF is needed for high solvent brews that use EO (never brewed with EO myself). This is the sole reason to use PVDF over PES.

For normal brews PES is better because it is much faster to filter and more widely available. The low BA and BB doesn't harm the membrane as far as I can tell.

Any truth to this?
 
The Braun v-spike with the .5 micron filter? The one you recommended previously?

Popped one in a 50cc vial. Lasted maybe 20 draws of 1cc before the solvents broke it.

Not suitable.

Never had an issue with a 10ml vial, Test-Cyp 250-300, 20 draws. Also Test prop 100
 
The Braun v-spike with the .5 micron filter? The one you recommended previously?

Popped one in a 50cc vial. Lasted maybe 20 draws of 1cc before the solvents broke it.

Not suitable.

High BB% oils don't really mix well with these spike filters

Would filtering remove some of the impurities? Or out of luck basically?

No amount of filtering will save you from low quality raws ;)
 
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