Phil I think in my case, I am dry curing before smoking, rather than brining, so are losing most of the weight through this.
I think if I smoked for 20 hours it may be too strong a smoke flavour for me.
I hope my last post didn't seem critical; if ten hours gives the result you want, and the safety parameters are met, then that's fine by me. (...and none of my business anyway! )
Phil, I didn't see it as critical and absolutely no offence was taken!
I will try a 20 hour smoke, just to see how it turns out and will report back.
I'm very new at this cold smoking thing and take all the advice I can get.
I couldn't when I took this picture but have since fitted a 'baffle' in the chimney (a butterfly valve?). For cold smoking I try to get the smoke coming out at the same rate as it is produced.