On minimal agitation I presoak for 5 minutes. I then add developer and agitate for 1 and one half minutes. Thereafter I agitate for 15 seconds at 1/4, 1/2, and 3/4 of total development time. The information that I have received indicates that minimal agitation will make the film expose at a higher speed then the box speed. In the case of the Efke that I developed I rated it at 100. I will know more when I read the density of the film how much the speed needs to be adjusted. I would guess that a truer speed for Efke in minimal agitation would be 125 or even 150.