John Alternatively, you might also consider the use of non-acid fixers. They wash out more rapidly than acid fixers. Regards Ralph W. Lambrecht http://www.darkroomagic.com On 2006-02-28 04:57, "Johnsimage@xxxxxxx" <Johnsimage@xxxxxxx> wrote: > Hi Larry, > If I was in the city that might be the answer. I'm working off a well and have > just installed a rhino filtration system in order to print. It is actually a > four stage system good for about 300,000 gallons. My well pump comes on about > every twelve minutes while washing. > Just want to use a wash aid to reduce wear and tear on my systems. > I'm going to try the Arm & Hammer suggestion and compare it to HCA. I will > report my findings to the list. > Sales of my black & white prints have increase dramatically over traditional > color and Epson prints lately. > Cordially, > John > > > >