Pushing Arista EDU Ultra 100 2 stops (400)

I have R09 Rodinal One Shot and Xtol.

I planned on metering at 100 and adding 1 stop to pull it to 50 in dev... but I accidentally metered at 800, so everything is exposed for ISO 400 now.

Realised it after the third shot.. so exposed the 4th correctly (these are 4x5 sheets) but the 4th ended up popping out of the film holder in front of the dark slide lol.

So I need to push this stuff to 400, I also metered to blow the sky out (since it was plain blue) which should give the shadow detail a chance.

Either will do, but XTOL is a good bet.

Anyone have a good time/dilution combo for this?

For those who find themselves with a similar situation, xtol 1+1, 10 min, 20c wasnt enough, nor was rodinal&xtol 1+100+100 (2ml rodinal, 100ml xtol, 100ml water) 10min, 20c, but rodinal&xtol 1+50+50 (4ml, 100ml, 100ml), 15min, 20c seemed about right.

What do you get from adding the Rodinal to the Xtol?

Thomas Bertilsson said:

What do you get from adding the Rodinal to the Xtol?

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I personally don't think it does much.

clayne said:

I personally don't think it does much.

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There is no increase in speed (it remains close to xtol alone), but you get more grain and a bit more bite. For pushing in this case, I would go for Xtol 1+3, reduce agitation as much as you dare (ever few mins is a good compromise) and dev it for double normal time.

I dont think the film will make anywhere near this speed. I find it a good 2/3 stops slower than D100 and rate it at 50/64 in Xtol 1+2.