I think ISO200 is the limit unless you add the potassium bromide. I bought 250 grams for around £7 delivered on Amazon. You only need 1 to 2 grams for mix.
The cricket images were done Paul without the salt. I understand that the Pot Brom or salt is used to reduce fogging. Do you think the by using it I would have eliminated the odd cloudyness that appears on some of the images?
I think it would have as it not only reduces the fog but also helps with even development. I recently developed some ISO400 film pushed to 1600 with no problems.
Simply wonderful Tom. I especially like number number 2 although the action shot is super too. Doing your runs on a bike though… A great set. Cafenol is suiting you it seems.
I'll make Pete's words mine and for Pete's sake, I must admit that you have done a great series, not a one excluded, with the HOLGA. Got it right this time Tom.