Permanent,light-blocking marker for SolarFast Film and other film media.

Light-developed dye for paper and natural fabrics.

Use to create photographic negatives for SolarFast printing and film positives for screen printing applications.

Used to increase the viscosity of SolarFast Dyes for screen printing applications.

Removes undeveloped dye from SolarFast prints and reduces the risk of backstaining during washing.

Cyanotype is the “original” sun-printing process, one of the earliest photographic techniques.