What can I use to prevent ugly algae and fungus from growing on my damp walls, especially during the monsoon?

What can I use to prevent ugly algae and fungus from growing on my damp walls, especially during the monsoon?

Suresh’s walls turned into a slimy nightmare during monsoons, with ugly green algae and black fungus thriving on persistent damp patches despite his best efforts. From a working middle-class family in Ahmedabad, the 38-year-old factory supervisor had splurged a considerable amount of fixing peeling paint in his new Pune flat—scraping, repainting, even hiring pros for waterproofing injections. Yet seepage continued from leaky terraces and humid i…