Eliminate Slippery Patio Moss with a Simple 60p Household Ingredient
As spring arrives and gardens become hubs of activity, many homeowners face the persistent problem of moss on their patios. This green growth not only mars the appearance of outdoor spaces but also creates significant slip hazards, especially after winter buildup and April showers. While moss might lend a rustic charm, it poses real risks by holding moisture that can crack stone or rot wood over time.
The Dangers of Pressure Washing for Patio Surfaces
Traditionally, people reach for hosepipes or pressure washers to clean their patios, but landscape designer Mary Stone cautions against this approach. She explains that power washing can be too harsh, potentially damaging the stone and leaving unsightly green patches near joints. "I once used a power washer, which is risky for damaging the stone. Then there's the ick factor of scum kicking back at you," Mary told the Express. "The power washing outcome was clean centers of each stone, while the areas near the joints remained green. Not so pretty."
Why Moss Is So Difficult to Remove Permanently
Moss is a rootless plant that spreads by releasing spores into cracks and gaps. Even the smallest fragment left behind can lead to rapid regrowth, often within just a few weeks. Pressure washing often fails because it cannot destroy spores buried deep within patio joints, making it an ineffective long-term solution.
The Magic 60p Washing-Up Liquid Solution
Instead of resorting to harsh chemicals or laborious scrubbing, one of the most effective methods involves a simple, budget-friendly ingredient: washing-up liquid. Mary recommends a soapy water mix made from three tablespoons of biodegradable dish soap (free of harmful bleach or fragrance) to one gallon of warm water. This solution can be applied with a plastic or natural-bristle deck brush, avoiding metal brushes that might scratch surfaces.
You can purchase a bottle of washing-up liquid from retailers like Tesco for as little as 62p, making this an affordable alternative to expensive treatments or equipment.
How Washing-Up Liquid Destroys Moss and Prevents Regrowth
While it might seem basic, washing-up liquid works by breaking through the waxy protective layer on moss, quickly dehydrating the spores and destroying them. The mixture penetrates deep into moss to reach spores embedded within patio surfaces, ensuring complete eradication and stopping regrowth during the spring period.
Step-by-Step Guide to Tackling Patio Moss
- Mix washing-up liquid with warm water in a bucket to create the solution.
- Spread the mixture over mossy areas on the patio.
- Leave it for several hours to break down the moss and allow it to dry out completely.
- Brush away the dried moss with a broom or hard-bristled brush.
- Rinse the patio with fresh water or a hosepipe to dilute any leftover washing-up liquid, protecting nearby plants or grass from potential harm.
Following these steps should leave your patio spotless and sparkling, all achieved with a safe, eco-friendly product that poses no risk to your garden environment. This method not only saves money but also preserves the integrity of your patio surfaces, ensuring they remain in good condition for years to come.



