Volume displacement, a real problem?

I mean, if we are tossing in round numbers for both the water and the medicine, every calculator just divides. But the powder HAS to move some water, creating a less strong dose than claimed. Or am I over thinking this?
 
Nah, you're good, but I really don't think it matters much at all. When things dissolve it gets way more confusing, and you'll probably just end up with thicker liquid than you started with anyway.
 
It's a tiny change. Lots of what's in those vials is just filler, like something called mannitol, and that stuff disappears into the water. The thickness might change a bit, but you'd need fancy equipment to measure any volume difference after mixing.
 
It's basically nothing. Plus, you're never going to get a perfect dose anyway because:
- Amounts put in each vial can change, even in the same box
- Some stuff always sticks in the vial/syringe.
 
Good question, Terry2008! I'm with Toni_10, perfect accuracy isn't really possible with this, and the dissolving makes it too complicated to adjust for.

I was trying to crunch the numbers on this just for fun…but it's not easy finding the data!

Even if could figure out the exact volume change for the filler, we don't actually know how much filler is present. It's not solvable without info we can't get, and may change with different batches. I'm skipping it.
 
MedDad177 said:
I'm new to this, but finding instructions on mixing and dosing is tough! I see people talk about acetic acid instead of bacteriostatic water. Is that a big deal?
Click to expand...

Some people believe acetic acid (AA) helps some peptides last longer. I've seen folks online say it's better for IGF peptides. I haven't seen real studies on it though. I personally just stick with bac water.
 
For those looking for peptide reconstitution info, there are peptide calculators online that are really helpful. Here's one I found:

https://peptidescalculator.com/

It helps figure out how much water to use and how much to inject. Always check multiple sources!
 
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