Photograph developed with seasweed by Melanie King

Bladderwrack seaweed developer for black and white film

Seaweed developer offers an alternative to using store-bought developer and is very similar to the Caffenol-C film development process. This developer is designed for black and white film, with 400 ISO. Melanie King developed this recipe as part of the Sustainable Darkroom online residency, with the London Alternative Photography Collective. Writer and photography / Melanie King Developing with a seaweed developer is more sustainable than shop-bought developer. As with all foraging, … Read more