Eric,
> Taos, included some oxalic acid as well as Sodium Phosphate Di Basic.
> John's formula work fine, except that is was slower and tended to give
> grainy prints when it was remotely tired. Fresh batches were always
> better
> than seasoned work. I usually used standard Pot Ox with extra Ox Acid.
>
>
That's interesting to note, I've always used plain PO but never gave the ph
a consideration.
I recall a discussion long ago about the pluses and minuses of using a ph
meter. But I'm wondering if using indicator strips might be a better and
perhaps more reliable method for measuring ph.
Don
Received on Wed Sep 15 18:39:19 2004
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