IT might lack the glamour and mystique of oysters and pearls, but pink algae is a lucrative aquaculture crop in WA, producing a natural colourant and dietary supplement that can sell for more than $2,000 a litre.

IT might lack the glamour and mystique of oysters and pearls, but pink algae is a lucrative aquaculture crop in WA, producing a natural colourant and dietary supplement that can sell for more than $2,000 a litre.