I use the 20 Mule Team stuff w/o problems, but do a search here for a very long and entertaining thread on borax (called "Mule Crap") and you'll see many hairs being split.
From what I gather, 20 MT is NOT the purest grade of borax you can get, but use what works for you.
What if? I'm curious now!If it were iodide, would it not act as a starter?
What if? I'm curious now!If it were iodide, would it not act as a starter?
Years ago I received a pamphlet from US Borax (the supplier of Twenty Mule Team borax at the time). It listed a purity of > 99.5%, the major impurities being sodium chloride, sodium bicarbonate, sodium carbonate, sodium sulfate, sodium phosphate, and various silicates. So no bromide, no iodide.
XD wow that was way out there, huh? Well, in a way, what would be the difference in iodide in the developer from the borax compared to iodide mixing into the developer from the emulsion? Even the E-6 first developer starters and b&w reversal starters are sodium bromide. What exactly would the issue be if there were bromide or iodide in the borax? Forgive me if this is a silly question.
Yes, that is very true!
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