I'm retarded, please help. I've used a 500ml 1+20 batch to develop a single roll, do I have to multiply the development time by 1.4 for the second one?
https://www.digitaltruth.com/devchart.php?Film=%25Fomapan+400%25&Developer=Ultrafin&mdc=Search&TempUnits=C&TimeUnits=D