Monty Don shared a "genius" tip for quickly removing slippery autumn algae from patios and paths to keep gardens safe.

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For quick and easy removal, Monty recommends using a pressure washer to wash the algae away, saying that this is ‘the best way’. He did add a warning that pressure washing can remove patio ...

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which stains outdoor flooring and creates a slip hazard." Walley suggests using white vinegar as a natural and powerful solution to kill algae and remove stains. He advised mixing equal parts ...

If you've noticed your outdoor surfaces turning as green as ... A Step-by-Step Guide The most environmentally friendly method to remove green algae involves using sharp sand mixed with water.