The culture was very easy to maintain. We did a good job for a while, but then forgot it for about 1,5 months. They are fine for weeks left alone, though! They grow on a standard nutrient agar medium.
We didn't get to test a lot with the pigment concerning the performance. I was more intrigued by the fact that it grows all over eg. textiles, allowing you to get crazy growth patterns. There is a guy at Waag society who was optimizing the extraction protocol for pigments, but he was reluctant to share