elsa_cooper

There's an app for calculating the dev times of in between values: https://play.google.com/store/apps/details?id=photography.darkroom.pro

It's also worth knowing the much bigger film development chart of Darkroom Solutions: darkroom-solutions.com.

Look there: <a href="http://darkroom-solutions.com/?p=cdc&si=135&fi=Kodak%20Prof.%20Tri-X%20400&de=Kodak%20D-76&pu=1600/33%C2%B0%20%28N%2b2%29&di=1%2b0&te=20%20%C2%B0C%20/%2068%20%C2%B0F&ag=1%20Minute">http://darkroom-solutions.com/?p=cdc&si=135&fi=Kodak Prof. Tri-X 400&de=Kodak D-76&pu=1600</a></br> This dev chart provides also times for 1+1 dilution and other temperatures than 20°C

<p>The times you suggest seems to be reasonable. The calculator of the <a href="https://play.google.com/store/apps/details?id=photography.darkroom">Film Developer app</a> says:</p> <ul> <li>Tri-X @ 3200 in Microphen 1+1 (Ilford agitation scheme, 20 °C): 27 minutes</li> </ul> <ul> <li>Tri-X @ 3200 in Microphen 1+0 (Ilford agitation scheme, 20 °C): 14:45 minutes</li> </ul>