lcdpublishing wrote:
> Thanks everyone,
>
> All great advice and information. I think the next smart step for me is to do an exposure test
> using transparency as opposed to vellum. Also getting a measure cup of some sort so I can
> mix the developer properly!
>
Your best bet is to measure out 100 grams of sodium carbonate and make
up a 500ml concentrate solution (i.e 200g/L). That way you don't need
+-1g accuracy. Then to make your developer, just dilute it to 10g/L with
common kitchen items for measuring liquid volume.