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c/reconstitution·submitted 9 months ago by u/wanjiru_varga

bacteriostatic water vs mg/mL — genuinely asking which matters more

Correctionbranch of 10 comments

Trying to settle this properly because the thread from last year went in circles. The claim: bacteriostatic water matters. The counter-claim: it is measurement error. Both sides have been asserting it confidently for about 6 months without either producing anything. What would actually settle it is 21 people…

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This branch

10 comments, started 9 months ago
u/rina_bergstrom0 points·9 months ago

The evidence standard in c/vendorvetting gets called too strict about once a month, and every time, the thread ends with the complainant agreeing.

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u/swirl_dont_shakeMOD1 point·9 months ago·edited

Flair changed to match the content. Read the sidebar before posting next time and we are square.

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u/quiet_reader_991 point·9 months ago

Yeah, showing the arithmetic is the fastest way for someone to spot the error.

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u/saskia_rahimi1 point·9 months ago

Slight fix: the number was 96.8, not 96.2. Decimal point, but a fairly consequential one.

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u/quarter_dose_queenlow and slow1 point·9 months ago

bacteriostatic and sterile water are not interchangeable, do not use them that way

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u/signe_grimaldi1 point·9 months ago·edited

This is correct. 2mL versus 21mL is the common mistake.

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u/kavya_radich1 point·9 months ago

This is the "correlation is mechanism" thing again. You changed three variables at once.

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[deleted]1 point·9 months ago

[deleted]

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u/wanjiru_vargaOP1 point·9 months ago

Cosigning. The concentration on the vial in marker is load-bearing.

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u/wanjiru_vargaOP1 point·9 months ago

i am begging people to write down the concentration

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About c/reconstitution

The arithmetic and the technique. Bacteriostatic versus sterile water, reconstitution volume as a concentration choice, converting mg/mL into insulin-syringe units, dead space, swirl-not-shake, stopper coring, and how long a reconstituted vial is actually good for. Math errors get corrected fast and politely.

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