You could try pressure washing to remove the algae, but this can be time-consuming and expensive ... "Vinegar and baking soda are a natural answer to the question of how to clean a wooden fence ...
Walley suggests using white vinegar as a natural and powerful solution to kill algae and remove stains. He advised mixing equal parts water and white vinegar in a spray bottle and applying it ...
This product is formulated with 99% natural ingredients derived from algae. The remover's components include a prebiotic complex that balances the skin and is enriched with pro-vitamin B5 ...