[Leica] xtol question

[h_arche at yahoo.com (H. Ball Arche)]

The only problem I've ever had with Xtol were these
odd donut shaped areas of hyper-development, and it
was also Marty who put me on track to solving the
problem. He suggested some impurity was ionozing the
water, which made no sense to me because I was using
distilled. 

However, I was diluting my stock-to-working solutions
in a 'stainless steel' beaker I got from Walmart that
wasn't really stainless (it has since developed rust
spots). I retired that vessel, and haven't had a
problem since. My stainless steel tanks don't cause
any issues.

After mixing the stock solution I store it in amber
boston round glass bottles, 250 & 500ml size, so they
are ready to go for a 1:3 mix in volumes for the 4 & 8
reel tanks. I've had it sit for as long as 7 months
with no problem.

I also store D-76 this way, but being a cheap bastard,
use plastic bottles of the same sizes that I got at
the drugstore. I bought a bunch of Hydrogen Peroxide,
poured it off and rinsed thoroughly. Much less
expensive than ordering glass.

--- Daniel Ridings <dlr@dlridings.se> wrote:

> Jim Hemenway wrote:
> > D-76 forever!  :-)
> > 
> > Jim
> 
> Yeah, I keep D76 around. It's my fall back if I run
> out of Xtol at home.
> 
> For me, though, Xtol is the best of the two. It
> doesn't block up as much 
> as D76 can. Smooth as Dairy Queen :-)
> 
> Daniel
> 
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> 



       
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