What form of Blue-Green Algae does the Hydrolab sensor measure?

FAQ - Blue Green Algae

1. Why would I want to measure Blue-Green Algae in real time?
2. Q: What form of Blue-Green Algae does the Hydrolab sensor measure? A: Hydrolab's Blue-Green Algae sensor is available for measuring either phycocyanin, the most common form of Blue-Green Algae in fresh water, or phycoerythrin, the most common form of Blue-Green Algae in marine water.