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  • BDD Moderators: Keif’ Richards

Opioids How to calculate the ML of water PPI to use for X Mg of OxyCodone?

OxyMan_

Greenlighter
Joined
Oct 29, 2025
Messages
7
Location
France
Hi,

I have a quick question: how do I calculate the milliliters (ML) to add to powdered oxycodone?

Let's say I crush a 120mg OxyContin tablet, how much sterile water for injection (WFI) do I add so as not to waste it?

I can't figure out how to calculate it.

Currently, I'm using 3 ml for 300mg of powder (a 120mg OxyContin tablet is approximately 350mg).
 
Hi,

I have a quick question: how do I calculate the milliliters (ML) to add to powdered oxycodone?

Let's say I crush a 120mg OxyContin tablet, how much sterile water for injection (WFI) do I add so as not to waste it?

I can't figure out how to calculate it.

Currently, I'm using 3 ml for 300mg of powder (a 120mg OxyContin tablet is approximately 350mg).

It's dangerous injecting pills but I suspect you don't care. As to your question I don't know, I'm sure someone will chime in.
 
It's dangerous injecting pills but I suspect you don't care. As to your question I don't know, I'm sure someone will chime in.
I know it's dangerous, but I minimize the risk by using a double filter with a spinning top. We're not here to discuss whether it's dangerous or not, because we already know the answer. Taking drugs is dangerous and illegal. This forum wouldn't exist otherwise.

Thanks for your very relevant answer.
 
Hi,

I have a quick question: how do I calculate the milliliters (ML) to add to powdered oxycodone?

Let's say I crush a 120mg OxyContin tablet, how much sterile water for injection (WFI) do I add so as not to waste it?

I can't figure out how to calculate it.

Currently, I'm using 3 ml for 300mg of powder (a 120mg OxyContin tablet is approximately 350mg).
I believe the answer really depends on the mg of the tablets you have,,,my most recent experience with shooting oxy’s were 10 mg IR I would crush three 10’s up and run it thru a wheel filter using 1cc of water I believe I got .65-.70 ml,,and that was only 30 mg.,,,but I’ve also done 80mg oxy’s using just 1ml without a wheel filter,,,,I mean like it all depends on what you are working with….
Err and you won’t waste it regardless of how much you water it down but as a junkie you just use the minimum amount needed…

I hope I understood what you was asking..
 
I believe the answer really depends on the mg of the tablets you have,,,my most recent experience with shooting oxy’s were 10 mg IR I would crush three 10’s up and run it thru a wheel filter using 1cc of water I believe I got .65-.70 ml,,and that was only 30 mg.,,,but I’ve also done 80mg oxy’s using just 1ml without a wheel filter,,,,I mean like it all depends on what you are working with….
Err and you won’t waste it regardless of how much you water it down but as a junkie you just use the minimum amount needed…

I hope I understood what you was asking..
Thanks for your reply. It answered my question a little.
 
@OxyMan_ where is this coming from? Is it from a prescription? If it's not from your own prescription or from your grandmother, you cannot anticipate Oxycodone-labeled products be legitimate. Oxycodone is arguably the most counterfeited Opioid substance in the world.

Regarding how much "Water for Injection" or "Vehicle" is required, every substance has a different degree of solubility. Some substances are not soluble in water, but only in another solvent like Alcohol or Ether.

Furthermore, and this is typical, the Hydrochloride salt (the most common form of Oxycodone) is much more soluble than Oxycodone as a freebase. I'm only including this information should you do your own research. It can be confusing.
 
where is this coming from? Is it from a prescription? If it's not from your own prescription or from your grandmother, you cannot anticipate Oxycodone-labeled products be legitimate. Oxycodone is arguably the most counterfeited Opioid substance in the world.
Sorry, but I don't understand this response. When did I say I didn't know if it was really oxycodone? My prescription is legal, issued by a doctor for pain I genuinely have; it's only the way I'm using it that's not compliant. =)

My question is actually very simple, why digress into other topics?

If I put 20mg in 10ml of water for injection (PPI), I'm going to lose some of it, that's almost certain. But if I put 30mg in 3ml of water, that's a bit too much. I'd like to know the approximate solubility percentage of oxycodone.
 
Just trying to keep you safe @OxyMan_ slow down a tick.

I actually answered your question. We are an HR organization man. Do you have any idea how many people I talk to on the regular with "real" Oxycodone tablets. They always say they can trust the person they got them from. In 10 years now, I don't know that I've talked to a person with an actual habit of buying Oxycodone tablets off the street from a dealer. I know people who get them from friends and family, sure, but not dealers.

It's our job to remind people of the potential for consequences in this game man. Sure, it's just one pill, but it's always just "one shot" that ultimately kills a person. I don't care if it's annoying, obtrusive or unwanted, it needs to be said. We are a group known for making poor decisions regarding our safety.

I wanted to make sure that you knew 100% what you were dealing with.

There is little to be gained by injecting Oxycodone. It is an Opioid with an irregularly high oral bioavailability. For that matter, insufflation is often quoted as ~60% compared to oral's %86, so breaking from the norm, people actually get less drugs by insufflating.

The only reason in general that people inject Oxycodone is for the rush. You see, Heroin is 30, 60, 100 percent bioavailability, oral, insufflation, parenteral. There is a major financial incentive that attracts people to inject Heroin. Oxycodone is not the same. There is little good reason to inject it, especially considering injecting pills is harmful anyway.

If I were you, I would just use it rectally man, It's truly the best way to use Oxycodone and I don't care who reads this. The high starts in your gut and radiates. It's pretty cool.

If something is actually in solution, you should be fine. It's obvious when more water is needed. The volume of water used is irrelevant in the ultimate objective of what you're doing.
 
Yes, I understand, but my oxycodone comes from a French pharmacy, dispensed by a pharmacist (personally, I call him my legal dealer), so everything's fine here. The tablets are in sealed boxes, everything's okay.

I've already tried heroin rectally, and I only experienced a slight effect, but I've never tried oxycodone. I'll give it a try.

I love the rush of oxycodone, but it's very quick and wears off in a few minutes.

The heroin I have at home isn't strong enough; I have to inject myself three times before I feel "normal," so it's not cost-effective. I prefer oxycodone.

Thanks for your reply.

Update;

However, I don't know how others manage oxycodone injection, but personally I use the two-filter method.

1. I place a Sterifilt Fast on a wheel filter

or I use a Sterifilt+ directly

It's still harmful, but I significantly reduce the risks.

Sterifilt FAST - 0.10µSterifilt+ - 0.20µSpinning top filter - 0.20µ
sterifilt-fast.jpg
sterifilt-plus.jpg
filtre-toupie.jpg
 
Last edited:
I feel very stupid for not asking previously, are these the "new formulation" extended-release tablets?

The old ones would crush like nothing. The new ones feel like hard plastic. This is important.

We called them "OP"S here. God, Keif is showing his age here; they signaled the end of the Oxycodone age as they required power tools to break down and were indeed similar in composition to plastic.

Let us know! Glad to see some international representation here. There's no law saying only Americans can be junkies.
 
I feel very stupid for not asking previously, are these the "new formulation" extended-release tablets?

The old ones would crush like nothing. The new ones feel like hard plastic. This is important.

We called them "OP"S here. God, Keif is showing his age here; they signaled the end of the Oxycodone age as they required power tools to break down and were indeed similar in composition to plastic.

Let us know! Glad to see some international representation here. There's no law saying only Americans can be junkies.
God, i age myself so often these days.

I made the realization the other day, while entering paperwork into our database, that almost 80% of the people i service at the needle exchange here have never seen let alone done heroin. They dont know what its like to have an opiate with an actual upside to it. All they've ever known is Fentanyl. Its insane.
 
Oh my god dude ain't that the fucking truth. I didnt know you worked in the "industry" good for you man.

Ive used Fentantyl a few times. Um, compared to Heroin, there is no comparison. I couldnt believe that people were buying it just to a. Be unconscious for 2 hours or B. Straight up die.

Heroin caused a lot of hardship in my life. That is because I misused it. I always compare Heroin to my mother holding me as a baby. Nothing in the world can hurt me and im loved completely.

This dope today is like an extremely poor substitute bordering on unrelated when compared to Morphine/Heroin.
 
Where I live, we're lucky that fentanyl hasn't spread to Europe/France, and I hope it stays that way. Percentage-wise, there are very few opiate users in France compared to the US.

I was talking to a Canadian friend, and he told me he's afraid to leave his house because there are so many drug addicts hanging around. Where I live, you see quite a few alcoholics, but it's still "chill."

I tried fentanyl once, but a very light dose because I was terrified, but today I'd really like to try injecting it, lol.

My pills are very easy to crush; I just have to remove the film with water, and that's it.
 
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