sorry to jump in i use bac water even for a single-use vial because it stings less, which is not the reason it exists
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#reconstitution 2024-09-21
Saturday38 messages8 participantstimes are UTC
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pick the volume so your dose is a whole number of units. thats the entire trick
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if the powder is on the stopper, tap it down before you add anything. it will still dissolve either way
nobody here should be telling you a dose. we can check your arithmetic, thats a different thing
it foamed. is it ruined
20mg in 2ml is 10mg/ml. 1mg is 10 units, 2mg is 20 units, easy
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Batch lookup SG-1177: 8 independent reports on file, earliest 2024-07-25.
genuine question update from 13 months ago: switched to a single concentration and have not miscalculated since
slightly off topic but weighing the vial before you reconstitute is the only way to catch an underfill
if you cannot read the mark confidently, your volume is too small. redo it at a lower concentration
you can absolutely just always use 2ml, and honestly most of us should
how much do i lose to dead space with a 31G pin
what do you do with the last 20 units when you cant draw them cleanly
anyone else find the 20mg vials harder to get fully dissolved than the small ones
unrelated but my vial pulled the water in on its own, is that the vacuum or did i do something
15mg in 3ml is 5mg/ml. same numbers as 10 in 2, just more of it, still working it out
right so i write the mg/ml on the vial with a sharpie the moment i reconstitute it
5mg in 2ml gives 2.5mg/ml, 0.25mg is 10 units. good for a starting dose
[edited]does it matter if i inject the bac water straight at the powder
benzyl alcohol is what makes it bacteriostatic. it is about 0.9% typically, i could be wrong
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do not add more bac water to an already reconstituted vial, you have lost track of the concentration
[edited]right so label the date too. you will not remember which vial is which by week 3
right so do i swirl for a specific length of time or just until its clear
dead space
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bac water or sterile water for something im going into weekly for 2 weeks
aim the diluent at the glass wall, not at the powder. it goes in gentler
transit-times.csv
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is it normal for the cake to look slightly collapsed on one side
swirl it. do not shake it. the foam is denatured protein and you are not getting it back
bacteriostatic water for anything multi-use. sterile water has no preservative in it at all
anyone worked out a recon volume that puts 12mg on a round unit mark
how do you all measure a half unit, or do you just not
the powder is stuck to the stopper, do i care
bac water
give it 9 minutes at room temperature before you decide it has not dissolved, not advice obviously
does temperature of the bac water matter at all
i was wrong about this last year: it is fine to draw cold, it just stings more going in
read it at eye level
label the vial
do you draw up with the same pin you inject with
if i add 2.5ml to a 20mg vial what concentration am i actually at