Term - Potassium hydroxide caustic potash

Potassium hydroxide caustic potashSWPP Photographic Glossary

Sunday 15th June 2025  

Schools Processing Laboratory



SWPP

Glossary
 

Image Competition
Free entry for SWPP members.

Membership
Free Information Pack

Qualifications - An Overview

Potassium hydroxide caustic potash

Highly active alkali, used as the basis for high contrast developing solutions.



 

Information provided by: SWPP
More Photographic Terms

Contact SWPP

Reviews

The Society of Photographers Excellent TrustPilot

The Society of Photographers 4.9 stars

Update cookies preferences