4 ml solution in 640ml water, for 1:160 dilution, 45 minutes @ 20C, semi stand 30 seconds initial agitation (gentle inversions) Tap tank on hard surface to avoid air bubbles. Leave tank untouched during development. 3 inversions at half way (around 20 minutes - this is the “semi” part) Tap tank on hard surface to avoid air bubbles. Leave tank untouched during development. End at 45 minutes.
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