Make sepia prints using an analogue photographic process from the 19th century. The PAR Van Dyke Refill kits contain a bottle of each of the 4 photo agents for producing a sepia tone cyanotype solution. 

You can choose between 2 DIY Van Dyke kit refills:

– 4 bottles of photo agents, good for  100 ml final mix and 500 ml fixative.

– 4 bottles of photo agents, good for  250 ml final mix and 1000 ml fixative

The DIY Van Dyke kit refill comes with a short instruction on how to mix the bottles. This assumes that you already have the extensive instructions from the starter kit or are already familiar with this Sepia photographic process.