What is the grainiest bw film and developer?

[TheGreatGasMaskMan]

here it is, the Berlin R09 1:25.

I will call this the second grainiest one after the hp5. If I could, I would make darkroom prints to really see the differences between these films

 

[tomkatf]

Don't think its still manufactured but back in the day Kodak Recording Film 2475 was the grainiest commercially available film. Curly ESTAR base.
Developed in Dektol or Rodinal.

Wow all outdated but some still available!

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[Alex Benjamin]

here it is, the Berlin R09 1:25. View attachment 394804 View attachment 394805 View attachment 394806 View attachment 394807 View attachment 394808
I will call this the second grainiest one after the hp5. If I could, I would make darkroom prints to really see the differences between these films

I've always loved Dr. Seuss' How the Grain Stole Christmas.

 

[TheGreatGasMaskMan]

I might consider trying some recording film since I've still got a little r09 left and plenty hc110- my question is, what ISO would I shoot it at?

 

[xkaes]

Kodak Royal-X.

ISO 1250 I love it.

 

[bluechromis]

Heavily cropping an image also makes the grain more prominent.

 

[TheGreatGasMaskMan]

the experiment continues- Ketmere 400 in Rodinal 1:25

was hoping with the lower silver it could match the HP5 results but it didn't work out.
I'm thinking about trying delta and tmax 3200 when it gets darker sooner and I have the energy, or... I should just take them into the woods...?

 

[Alex Benjamin]

These don't seem that grainy.

TMax 3200, if used at that ISO, in Rodinal 1+25 should get you there.