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ForumsDosing & ProtocolsHas anyone dealt with reconstitution calculator? Page 5

Has anyone dealt with reconstitution calculator?

zoe_NC Mon, Jan 20, 2025 at 7:38 AM 34 replies 2,180 viewsPage 5 of 7
NurseKim_ATL
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Feb 2024
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Jan 24, 2025 at 1:41 AM#21

From the other side of the consultation, briefly.

Bacteriostatic water quality matters for dosing arithmetic reconstitution. Not all BAC water is created equal:

  • Should contain 0.9% benzyl alcohol as preservative
  • Must be sterile and pyrogen-free
  • Should come in a sealed, intact vial
  • Check expiration date — yes, BAC water expires
  • Store at room temperature, protected from light

I buy from a reputable medical supply company, not Amazon marketplace sellers. The $3 savings isn't worth the infection risk from unverified BAC water.

39 12denise_HTX, raj_cambridge, ingrid_STO and 36 others
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BiostatsBrad
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Jul 2024
Durham, NC
Jan 25, 2025 at 4:19 AM#22
NurseKim_ATL said:
Bacteriostatic water quality matters for dosing arithmetic reconstitution.

This matches mine closely enough to be worth saying so out loud.

40 13Dr.BariatricHTX, LindaRN_retired, tommy_boulder and 37 others
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RegAffairsDC
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Jan 26, 2025 at 6:57 AM#23
NurseKim_ATL said:
Bacteriostatic water quality matters for dosing arithmetic reconstitution.

Reconstitution tip for anyone mixing dosing arithmetic from lyophilized powder: use bacteriostatic water, NOT sterile water. The benzyl alcohol in BAC water preserves multi-dose vials for up to 28 days.

Inject the water slowly down the side of the vial. NEVER shake — gentle swirling only until fully dissolved. Should be crystal clear with no particles.

41 14hannah_MT, Dr.SportsMedIN, amy_econ_NJ and 38 others
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lisa_labSD
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Oct 2024
San Diego, CA
Jan 27, 2025 at 9:34 AM#24
NurseKim_ATL said:
Bacteriostatic water quality matters for dosing arithmetic reconstitution.

Peptide calculator app recommendation for dosing arithmetic: I use PeptideCalc to calculate reconstitution volumes and injection doses. Eliminates math errors completely.

Input: vial size (mg), desired concentration (mg/mL), prescribed dose (mg)
Output: BAC water volume (mL), injection volume (units on insulin syringe)

A math error with injectable medication can mean underdosing or overdosing. Use a calculator every time until the math becomes second nature.

Last edited: Jan 27, 2025 at 12:34 PM
42 15lori_vegas, Dr.PulmRoch, maya_sedona and 39 others
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Dr.NephBHM_UK
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Jun 2024
Birmingham, UK
Jan 28, 2025 at 12:10 PM#25

A narrower follow-up, since the general answer is now clear:

Did your prescriber agree with that reading, and if not what was their objection?

Last edited: Jan 28, 2025 at 6:10 PM
43 16PeptideChemSF, A1cHero_PHX, Dr.RenalNash and 40 others
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