R09 One Shot

B&W developer Liquid concentrate In production One-shot

Development times

Showing 2 of 36 published times.

Film	Dilution	EI	Temp	Time	Agitation	Source
Retro 400S	1+25 20.0 °C	400	20.0 °C	10:30	—	Verified Datasheet Report
Retro 400S	1+50 20.0 °C	400	20.0 °C	22:00	—	Verified Datasheet Report

Checked 21 October 2026

Compard says Compard R09 One Shot is one-shot: use it once and pour it away.

Shelf life: When diluted for use, R09 ONE SHOT only keeps for a short time and therefore should only be mixed immediately before use.

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