Some halophiles are colourful microbes like purple sulphur micro organism, the reddy/orange Salinibacter ruber and purple-coloured algae called Dunaliella salina. The combo of those microbes, And maybe some others, describes the pink colour on the lake. (Should the science powering the pink drinking water at pink Lake Hillier passions you, https://marjaneyf062fgh9.shopping-wiki.com/user