vialroom

#reconstitution 2026-05-04

Monday18 messages6 participantstimes are UTC
Highlights from this day
  • factory_direct_fi — temperature of the diluent does not matter. how fast you push it in does 20:54
  • factory_direct_fi — update on the earlier thing weighing the vial before you reconstitute is the only way to catch an underfill the last few units are a real loss. i accept it rather… 21:06
  • knees_first — is it worth buying a 3ml syringe for the diluent or is the insulin one fine 21:11
  • sharps_bin_sid — 20mg in 2ml is 10mg/ml. 1mg is 10 units, 2mg is 20 units, easy, anyway 22:07
KF

the vacuum will pull it in. let it. fighting it is how you get a face full of aerosol

is there any reason not to just always use 2ml

FD

temperature of the diluent does not matter. how fast you push it in does

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FD

update on the earlier thing weighing the vial before you reconstitute is the only way to catch an underfill
the last few units are a real loss. i accept it rather than tilting the vial and drawing air

SB

the meniscus thing is real. read it at eye level or you are guessing by a unit either way

KF

is it worth buying a 3ml syringe for the diluent or is the insulin one fine

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SB

took me a year to stop over-diluting. the measurement error at 4 units is worse than the convenience

MP

unrelated but i keep a spare vial of bac water in the fridge purely so i never rush the maths

SB

give it 6 minutes at room temperature before you decide it has not dissolved

MP

do i swirl for a specific length of time or just until its clear

SB

i swirl for about thirty seconds and then leave it. never had one fail to dissolve

follow up a 3ml syringe for the diluent and a u100 for the dose is the setup most people here end up with

SB

20mg in 2ml is 10mg/ml. 1mg is 10 units, 2mg is 20 units, easy, anyway

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OO

you can absolutely just always use 2ml, and honestly most of us should