Some halophiles are colourful microbes like purple sulphur bacteria, the reddy/orange Salinibacter ruber and crimson-coloured algae referred to as Dunaliella salina. The combination of these microbes, and possibly some Some others, explains the pink colour in the lake. (If the science driving the pink h2o at pink Lake Hillier interests https://juliaj173kkl0.wikicorrespondent.com/user