Archived posting to the Leica Users Group, 2009/12/11

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Subject: [Leica] B&W chemicals
From: lrzeitlin at gmail.com (Lawrence Zeitlin)
Date: Fri, 11 Dec 2009 11:17:04 -0500

*Even if Kodak goes out of the B&W chemical business, you can still process
films using ingredients bought at the local grocery store. Check out:*

*http://www.digitaltruth.com/data/caffenol.php*

*Here is the recipe for a reasonable alternative to D-76.*

*Larry Z*

**

*Caffenol*

*Caffenol film developer*

Water

8 oz

Arm & Hammer Washing Soda

2 tsp (level)

Folger's Coffee Crystals

4 tsp (slightly rounded, NOT decaf)

*Mixing instructions:* Mix soda until completely dissolved and solution is
clear. Add coffee, mix until all grittiness is gone and solution is uniform,
let stand 5-10 minutes until microbubbles clear. Use within 30 minutes.

*Dilution:* Use undiluted

*Starting point development time:* 30 mins

*Notes:* Gives imagewise stain and general (fog) stain.


*Caffenol-C film developer*

Water

8 oz

Arm & Hammer Washing Soda

2? tsp (level)

Vitamin C powder

? tsp (level)

Folger's Coffee Crystals

4 tsp (slightly rounded, NOT decaf)


Replies: Reply from photo at frozenlight.eu (Nathan Wajsman) ([Leica] B&W chemicals)